Khazar Khaganate, 650–850
• c. 650
• 8th century
• 9th century
• 9th century
• 9th century
• 9th century
• 10th century
• 10th century
• 10th century
• 11th century
|Historical era||Middle Ages|
|850 est.||3,000,000 km2 (1,200,000 sq mi)|
|900 est.||1,000,000 km2 (390,000 sq mi)|
• 7th century[note 1]
The Khazars (//; Hebrew: כוזרים, Kuzarim; Greek: Χάζαροι, Házaroi;[note 2] Latin: Gazari[note 3] or Gasani;[note 4] Chinese: 突厥曷薩 Tūjué Hésà; 突厥可薩部 Tūjué Kěsà bù) were a semi-nomadic Turkic people that in the late 6th century CE established a major commercial empire covering the southeastern section of modern European Russia, southern Ukraine, Crimea and Kazakhstan. They created what for its duration was the most powerful polity to emerge from the break-up of the Western Turkic Khaganate. Astride a major artery of commerce between Eastern Europe and Southwestern Asia, Khazaria became one of the foremost trading empires of the medieval world, commanding the western marches of the Silk Road and playing a key commercial role as a crossroad between China, the Middle East and Kievan Rus'. For some three centuries (c. 650 – 965) the Khazars dominated the vast area extending from the Volga-Don steppes to the eastern Crimea and the northern Caucasus.
Khazaria long served as a buffer state between the Byzantine Empire and both the nomads of the northern steppes and the Umayyad Caliphate and Abbasid Caliphate, after serving as the Byzantine Empire's proxy against the Sasanian Empire. The alliance was dropped around 900. Byzantium began to encourage the Alans to attack Khazaria and to weaken its hold on Crimea and the Caucasus and sought to obtain an entente with the rising Rus' power to the north, which it aspired to convert to Christianity. Between 965 and 969, the Kievan Rus' ruler, Sviatoslav I of Kiev, as well as his allies, conquered the capital, Atil, and ended Khazaria's independence. The state became the autonomous entity of Rus' and then of Khazar former provinces. (Khwarazm in which Khazars were known as Turks, just as Hungarians were known as Turks in Byzantium) in Volga Bulgaria.
Determining the origins and nature of the Khazars is closely bound with theories of their languages, but it is a matter of intricate difficulty since no indigenous records in the Khazar language survive, and the state was polyglot and polyethnic. The native religion of the Khazars is thought to have been Tengrism, like that of the North Caucasian Huns and other Turkic peoples. The polyethnic populace of the Khazar Khaganate appears to have been a multiconfessional mosaic of pagan, Tengrist, Jewish, Christian and Muslim worshippers. Some of the Khazars (i.e., Kabars) joined the ancient Hungarians in the 9th century. The ruling elite of the Khazars was said by Judah Halevi and Abraham ibn Daud to have converted to Rabbinic Judaism in the 8th century, but the scope of the conversion to Judaism within the Khazar Khanate remains uncertain.
Where the Khazars dispersed after the fall of the Empire is subject to many conjectures. Proposals have been made regarding the possibility of a Khazar factor in the ethnogenesis of numerous peoples, such as the Hazaras, Hungarians, the Kazakhs, the Cossacks of the Don region and of Ukraine, Bukharan Jews, the Muslim Kumyks, the Turkic-speaking Krymchaks and their Crimean neighbors the Crimean Karaites, the Moldavian Csángós, the Mountain Jews, even some Subbotniks (on the basis of their Ukrainian and Cossack origin and others). The late 19th century saw the emergence of the theory that the core of today's Ashkenazi Jews are descended from a hypothetical Khazarian Jewish diaspora which migrated westward from modern-day Russia and Ukraine into modern-day France and Germany. Linguistic and genetic studies have not supported the theory of a Khazar connection to Ashkenazi Jewry. The theory still finds occasional support, but most scholars view it with considerable skepticism. The theory is sometimes associated with anti-Semitism and anti-Zionism.
Gyula Németh, following Zoltán Gombocz, derived Khazar from a hypothetical *Qasar reflecting a Turkic root qaz- ("to ramble, to roam") being an hypothetical retracted variant of Common Turkic kez-; however, András Róna-Tas objected that *qaz- is a ghost word. In the fragmentary Tes and Terkhin inscriptions of the Uyğur empire (744–840) the form Qasar is attested, although uncertainty remains whether this represents a personal or tribal name, gradually other hypotheses emerged. Louis Bazin derived it from Turkic qas- ("tyrannize, oppress, terrorize") on the basis of its phonetic similarity to the Uyğur tribal name, Qasar.[note 5] Róna-Tas connects qasar with Kesar, the Pahlavi transcription of the Roman title Caesar.[note 6]
D. M. Dunlop tried to link the Chinese term for "Khazars" to one of the tribal names of the Uyğur, or Toquz Oğuz, namely the Qasar (Ch. 葛薩 Gésà). The objections are that Uyğur 葛薩 Gésà/Qasar was not a tribal name but rather the surname of the chief of the 思结 Sijie tribe (Sogdian: Sikari) of the Toquz Oğuz (Ch. 九姓 jĭu xìng),[note 7] and that in Middle Chinese the ethnonym "Khazars" was always prefaced with Tūjué, then still reserved for Göktürks and their splinter groups, (Tūjué Kěsà bù:突厥可薩部; Tūjué Hésà:突厥曷薩) and "Khazar"'s first syllable is transcribed with different characters (可 and 曷) than 葛, which is used to render the syllable Qa- in the Uyğur word Qasar.[note 8]
After their conversion it is reported that they adopted the Hebrew script,[note 9] and it is likely that, although speaking a Turkic language, the Khazar chancellery under Judaism probably corresponded in Hebrew.[note 10]
Kornienko et al. analyzed the Y-chromosomes of nine skeletons recovered from elite military burial mounds attributed to the 7th–9th centuries of the Khazar Khaganate in the modern Rostov region. Three individuals had R1a Y-haplogroup, two had C2b, and one each had G2a, N1a, Q, and R1b Y-haplogroups. Such results were noteworthy for the mixture of European and East Asian paternal lineages in these samples. The Y-chromosome data are consistent with the results of the craniological study and genome-wide analysis of the same individuals in the sense that they show mixed genetic origins for the early medieval Khazar nobility.
Determining the origins and nature of the Khazars is closely bound with theories of their languages, but it is a matter of intricate difficulty since no indigenous records in the Khazar language survive, and the state was polyglot and polyethnic.[note 11][note 12] Whereas the royal or ruling elite probably spoke an eastern variety of Shaz Turkic, the subject tribes appear to have spoken varieties of Lir Turkic, such as Oğuric, a language variously identified with Bulğaric, Chuvash, and Hunnish (the latter based upon the assertion of the Persian historian al-Iṣṭakhrī that the Khazar language was different from any other known tongue.[note 13][note 14] One method for tracing their origins consists in the analysis of the possible etymologies behind the ethnonym "Khazar".
Tribal origins and early history
The tribes[note 15] that were to comprise the Khazar empire were not an ethnic union, but a congeries of steppe nomads and peoples who came to be subordinated, and subscribed to a core Turkic leadership. Many Turkic groups, such as the Oğuric peoples, including Šarağurs, Oğurs, Onoğurs, and Bulğars who earlier formed part of the Tiělè (鐵勒) confederation, are attested quite early, having been driven West by the Sabirs, who in turn fled the Asian Avars, and began to flow into the Volga-Caspian-Pontic zone from as early as the 4th century CE and are recorded by Priscus to reside in the Western Eurasian steppe lands as early as 463. They appear to stem from Mongolia and South Siberia in the aftermath of the fall of the Hunnic/Xiōngnú nomadic polities. A variegated tribal federation led by these Turks, probably comprising a complex assortment of Iranian,[note 16] proto-Mongolic, Uralic, and Palaeo-Siberian clans, vanquished the Rouran Khaganate of the hegemonic central Asian Avars in 552 and swept westwards, taking in their train other steppe nomads and peoples from Sogdiana.
The ruling family of this confederation may have hailed from the Āshǐnà (阿史那) clan of the West Türkic tribes, although Constantine Zuckerman regards Āshǐnà and their pivotal role in the formation of the Khazars with scepticism.[note 17] Golden notes that Chinese and Arabic reports are almost identical, making the connection a strong one, and conjectures that their leader may have been Yǐpíshèkuì (Chinese:乙毗射匱), who lost power or was killed around 651. Moving west, the confederation reached the land of the Akatziroi,[note 18] who had been important allies of Byzantium in fighting off Attila's army.
Rise of the Khazar state
An embryonic state of Khazaria began to form sometime after 630, when it emerged from the breakdown of the larger Göktürk Khaganate. Göktürk armies had penetrated the Volga by 549, ejecting the Avars, who were then forced to flee to the sanctuary of the Hungarian plain. The Āshǐnà clan whose tribal name was Tür(ü)k, appear on the scene by 552, when they overthrew the Rourans and established the Göktürk Qağanate.[note 19] By 568, these Göktürks were probing for an alliance with Byzantium to attack Persia. An internecine war broke out between the senior eastern Göktürks and the junior West Turkic Khaganate some decades later, when on the death of Taspar Qağan, a succession dispute led to a dynastic crisis between Taspar's chosen heir, the Apa Qağan, and the ruler appointed by the tribal high council, Āshǐnà Shètú (阿史那摄图), the Ishbara Qağan.
By the first decades of the 7th century, the Āshǐnà yabgu Tong managed to stabilise the Western division, but upon his death, after providing crucial military assistance to Byzantium in routing the Sasanian army in the Persian heartland, the Western Turkic Qağanate dissolved under pressure from the encroaching Tang dynasty armies and split into two competing federations, each consisting of five tribes, collectively known as the "Ten Arrows" (On Oq). Both briefly challenged Tang hegemony in eastern Turkestan. To the West, two new nomadic states arose in the meantime, Old Great Bulgaria under Kubrat, the Duōlù clan leader, and the Nǔshībì subconfederation, also consisting of five tribes.[note 20] The Duōlù challenged the Avars in the Kuban River-Sea of Azov area while the Khazar Qağanate consolidated further westwards, led apparently by an Āshǐnà dynasty. With a resounding victory over the tribes in 657, engineered by General Sū Dìngfāng (蘇定方), Chinese overlordship was imposed to their East after a final mop-up operation in 659, but the two confederations of Bulğars and Khazars fought for supremacy on the western steppeland, and with the ascendency of the latter, the former either succumbed to Khazar rule or, as under Asparukh, Kubrat's son, shifted even further west across the Danube to lay the foundations of the First Bulgarian Empire in the Balkans (c. 679).
The Qağanate of the Khazars thus took shape out of the ruins of this nomadic empire as it broke up under pressure from the Tang dynasty armies to the east sometime between 630 and 650. After their conquest of the lower Volga region to the East and an area westwards between the Danube and the Dniepr, and their subjugation of the Onoğur-Bulğar union, sometime around 670, a properly constituted Khazar Qağanate emerges, becoming the westernmost successor state of the formidable Göktürk Qağanate after its disintegration. According to Omeljan Pritsak, the language of the Onoğur-Bulğar federation was to become the lingua franca of Khazaria as it developed into what Lev Gumilev called a "steppe Atlantis" (stepnaja Atlantida/ Степная Атлантида). Historians have often referred to this period of Khazar domination as the Pax Khazarica since the state became an international trading hub permitting Western Eurasian merchants safe transit across it to pursue their business without interference. The high status soon to be accorded this empire to the north is attested by Ibn al-Balḫî's Fârsnâma (c. 1100), which relates that the Sasanian Shah, Ḫusraw 1, Anûsîrvân, placed three thrones by his own, one for the King of China, a second for the King of Byzantium, and a third for the king of the Khazars. Although anachronistic in retrodating the Khazars to this period, the legend, in placing the Khazar qağan on a throne with equal status to kings of the other two superpowers, bears witness to the reputation won by the Khazars from early times.
Khazar state: culture and institutions
Royal Diarchy with sacral Qağanate
Khazaria developed a Dual kingship governance structure,[note 21] typical among Turkic nomads, consisting of a shad/bäk and a qağan. The emergence of this system may be deeply entwined with the conversion to Judaism. According to Arabic sources, the lesser king was called îšâ and the greater king Khazar xâqân; the former managed and commanded the military, while the greater king's role was primarily sacral, less concerned with daily affairs. The greater king was recruited from the Khazar house of notables (ahl bait ma'rûfīn) and, in an initiation ritual, was nearly strangled until he declared the number of years he wished to reign, on the expiration of which he would be killed by the nobles.[note 22][note 23] The deputy ruler would enter the presence of the reclusive greater king only with great ceremony, approaching him barefoot to prostrate himself in the dust and then light a piece of wood as a purifying fire, while waiting humbly and calmly to be summoned. Particularly elaborate rituals accompanied a royal burial. At one period, travellers had to dismount, bow before the ruler's tomb, and then walk away on foot. Subsequently, the charismatic sovereign's burial place was hidden from view, with a palatial structure ("Paradise") constructed and then hidden under rerouted river water to avoid disturbance by evil spirits and later generations. Such a royal burial ground (qoruq) is typical of inner Asian peoples. Both the îšâ and the xâqân converted to Judaism sometime in the 8th century, while the rest, according to the Persian traveller Ahmad ibn Rustah, probably followed the old Tūrkic religion.[note 24]
The ruling stratum, like that of the later Činggisids within the Golden Horde, was a relatively small group that differed ethnically and linguistically from its subject peoples, meaning the Alano-As and Oğuric Turkic tribes, who were numerically superior within Khazaria. The Khazar Qağans, while taking wives and concubines from the subject populations, were protected by a Khwârazmian guard corps, or comitatus, called the Ursiyya.[note 25][note 26] But unlike many other local polities, they hired soldiers (mercenaries) (the junûd murtazîqa in al-Mas'ûdî). At the peak of their empire, the Khazars ran a centralised fiscal administration, with a standing army of some 7–12,000 men, which could, at need, be multiplied two or three times that number by inducting reserves from their nobles' retinues.[note 27] Other figures for the permanent standing army indicate that it numbered as many as one hundred thousand. They controlled and exacted tribute from 25 to 30 different nations and tribes inhabiting the vast territories between the Caucasus, the Aral Sea, the Ural Mountains, and the Ukrainian steppes. Khazar armies were led by the Qağan Bek (pronounced as Kagan Bek) and commanded by subordinate officers known as tarkhans. When the bek sent out a body of troops, they would not retreat under any circumstances. If they were defeated, every one who returned was killed.
Settlements were governed by administrative officials known as tuduns. In some cases, such as the Byzantine settlements in southern Crimea, a tudun would be appointed for a town nominally within another polity's sphere of influence. Other officials in the Khazar government included dignitaries referred to by ibn Fadlan as Jawyshyghr and Kündür, but their responsibilities are unknown.
It has been estimated that 25 to 28 distinct ethnic groups made up the population of the Khazar Qağanate, aside from the ethnic elite. The ruling elite seems to have been constituted out of nine tribes/clans, themselves ethnically heterogeneous, spread over perhaps nine provinces or principalities, each of which would have been allocated to a clan. In terms of caste or class, some evidence suggests that there was a distinction, whether racial or social is unclear, between "White Khazars" (ak-Khazars) and "Black Khazars" (qara-Khazars). The 10th-century Muslim geographer al-Iṣṭakhrī claimed that the White Khazars were strikingly handsome with reddish hair, white skin, and blue eyes, while the Black Khazars were swarthy, verging on deep black as if they were "some kind of Indian". Many Turkic nations had a similar (political, not racial) division between a "white" ruling warrior caste and a "black" class of commoners; the consensus among mainstream scholars is that Istakhri was confused by the names given to the two groups. However, Khazars are generally described by early Arab sources as having a white complexion, blue eyes, and reddish hair. The ethnonym in the Tang Chinese annals, Āshǐnà (阿史那), often accorded a key role in the Khazar leadership, may reflect an Eastern Iranian or Tokharian word (Khotanese Saka âşşeina-āššsena "blue"): Middle Persian axšaêna ("dark-coloured"): Tokharian A âśna ("blue", "dark"). The distinction appears to have survived the collapse of the Khazarian empire. Later Russian chronicles, commenting on the role of the Khazars in the magyarisation of Hungary, refer to them as "White Oghurs" and Magyars as "Black Oghurs". Studies of the physical remains, such as skulls at Sarkel, have revealed a mixture of Slavic, other European, and a few Mongolian types.
The import and export of foreign wares, and the revenues derived from taxing their transit, was a hallmark of the Khazar economy, although it is said also to have produced isinglass. Distinctively among the nomadic steppe polities, the Khazar Qağanate developed a self-sufficient domestic Saltovo economy, a combination of traditional pastoralism – allowing sheep and cattle to be exported – extensive agriculture, abundant use of the Volga's rich fishing stocks, together with craft manufacture, with diversification in lucrative returns from taxing international trade given its pivotal control of major trade routes. The Khazars constituted one of the two great furnishers of slaves to the Muslim market (the other being the Iranian Sâmânid amîrs), supplying it with captured Slavs and tribesmen from the Eurasian northlands. It profited from the latter which enabled it to maintain a standing army of Khwarezm Muslim troops. The capital Atil reflected the division: Kharazān on the western bank where the king and his Khazar elite, with a retinue of some 4,000 attendants, dwelt, and Itil proper to the East, inhabited by Jews, Christians, Muslims and slaves and by craftsmen and foreign merchants.[note 28] The ruling elite wintered in the city and spent from spring to late autumn in their fields. A large irrigated greenbelt, drawing on channels from the Volga river, lay outside the capital, where meadows and vineyards extended for some 20 farsakhs (c. 60 miles). While customs duties were imposed on traders, and tribute and tithes were exacted from 25 to 30 tribes, with a levy of one sable skin, squirrel pelt, sword, dirham per hearth or ploughshare, or hides, wax, honey and livestock, depending on the zone. Trade disputes were handled by a commercial tribunal in Atil consisting of seven judges, two for each of the monotheistic inhabitants (Jews, Muslims, Christians) and one for the pagans.[note 29]
Khazars and Byzantium
Byzantine diplomatic policy towards the steppe peoples generally consisted of encouraging them to fight among themselves. The Pechenegs provided great assistance to the Byzantines in the 9th century in exchange for regular payments. Byzantium also sought alliances with the Göktürks against common enemies: in the early 7th century, one such alliance was brokered with the Western Tűrks against the Persian Sasanians in the Byzantine–Sasanian War of 602–628. The Byzantines called Khazaria Tourkía, and by the 9th century referred to the Khazars as "Turks".[note 30] During the period leading up to and after the siege of Constantinople in 626, Heraclius sought help via emissaries, and eventually personally, from a Göktürk chieftain[note 31] of the Western Turkic Khaganate, Tong Yabghu Qağan, in Tiflis, plying him with gifts and the promise of marriage to his daughter, Epiphania. Tong Yabghu responded by sending a large force to ravage the Persian empire, marking the start of the Third Perso-Turkic War. A joint Byzantine-Tűrk operation breached the Caspian gates and sacked Derbent in 627. Together they then besieged Tiflis, where the Byzantines may have deployed an early variety of traction trebuchets (ἑλέπόλεις) to breach the walls. After the campaign, Tong Yabghu is reported, perhaps with some exaggeration, to have left some 40,000 troops behind with Heraclius. Although occasionally identified with Khazars, the Göktürk identification is more probable since the Khazars only emerged from that group after the fragmentation of the former sometime after 630. Some scholars argued that Sasanian Persia never recovered from the devastating defeat wrought by this invasion.[note 32]
Once the Khazars emerged as a power, the Byzantines also began to form alliances with them, dynastic and military. In 695, the last Heraclian emperor, Justinian II, nicknamed "the slit-nosed" (ὁ ῥινότμητος) after he was mutilated and deposed, was exiled to Cherson in the Crimea, where a Khazar governor (tudun) presided. He escaped into Khazar territory in 704 or 705 and was given asylum by qağan Busir Glavan (Ἰβουζήρος Γλιαβάνος), who gave him his sister in marriage, perhaps in response to an offer by Justinian, who may have thought a dynastic marriage would seal by kinship a powerful tribal support for his attempts to regain the throne. The Khazarian spouse thereupon changed her name to Theodora. Busir was offered a bribe by the Byzantine usurper, Tiberius III, to kill Justinian. Warned by Theodora, Justinian escaped, murdering two Khazar officials in the process. He fled to Bulgaria, whose Khan Tervel helped him regain the throne. Upon his reinstalment, and despite Busir's treachery during his exile, he sent for Theodora; Busir complied, and she was crowned as Augusta, suggesting that both prized the alliance.
Decades later, Leo III (ruled 717–741) made a similar alliance to co-ordinate strategy against a common enemy, the Muslim Arabs. He sent an embassy to the Khazar qağan Bihar and married his son, the future Constantine V (ruled 741–775), to Bihar's daughter, a princess referred to as Tzitzak, in 732. On converting to Christianity, she took the name Irene. Constantine and Irene had a son, the future Leo IV (775–780), who thereafter bore the sobriquet, "the Khazar".  Leo died in mysterious circumstances after his Athenian wife bore him a son, Constantine VI, who on his majority co-ruled with his mother, the dowager. He proved unpopular, and his death ended the dynastic link of the Khazars to the Byzantine throne. By the 8th century, Khazars dominated the Crimea (650–c. 950), and even extended their influence into the Byzantine peninsula of Cherson until it was wrested back in the 10th century. Khazar and Farghânian (Φάργανοι) mercenaries constituted part of the imperial Byzantine Hetaireia bodyguard after its formation in 840, a position that could openly be purchased by a payment of seven pounds of gold.
During the 7th and 8th centuries, the Khazars fought a series of wars against the Umayyad Caliphate and its Abbasid successor. The First Arab-Khazar War began during the first phase of Muslim expansion. By 640, Muslim forces had reached Armenia; in 642 they launched their first raid across the Caucasus under Abd ar-Rahman ibn Rabiah. In 652 Arab forces advanced on the Khazar capital, Balanjar, but were defeated, suffering heavy losses; according to Persian historians such as al-Tabari, both sides in the battle used catapults against the opposing troops. A number of Russian sources give the name of a Khazar khagan from this period as Irbis and describe him as a scion of the Göktürk royal house, the Ashina. Whether Irbis ever existed is open to debate, as is whether he can be identified with one of the many Göktürk rulers of the same name.
Due to the outbreak of the First Muslim Civil War and other priorities, the Arabs refrained from repeating an attack on the Khazars until the early 8th century. The Khazars launched a few raids into Transcaucasian principalities under Muslim dominion, including a large-scale raid in 683–685 during the Second Muslim Civil War that rendered much booty and many prisoners. There is evidence from the account of al-Tabari that the Khazars formed a united front with the remnants of the Göktürks in Transoxiana.
The Second Arab-Khazar War began with a series of raids across the Caucasus in the early 8th century. The Umayyads tightened their grip on Armenia in 705 after suppressing a large-scale rebellion. In 713 or 714, Umayyad general Maslamah conquered Derbent and drove deeper into Khazar territory. The Khazars launched raids in response into Albania and Iranian Azerbaijan but were driven back by the Arabs under Hasan ibn al-Nu'man. The conflict escalated in 722 with an invasion by 30,000 Khazars into Armenia inflicting a crushing defeat. Caliph Yazid II responded, sending 25,000 Arab troops north, swiftly driving the Khazars back across the Caucasus, recovering Derbent, and advancing on Balanjar. The Arabs broke through the Khazar defence and stormed the city; most of its inhabitants were killed or enslaved, but a few managed to flee north. Despite their success, the Arabs had not yet defeated the Khazar army, and they retreated south of the Caucasus.
In 724, Arab general al-Jarrah ibn Abdallah al-Hakami inflicted a crushing defeat on the Khazars in a long battle between the rivers Cyrus and Araxes, then moved on to capture Tiflis, bringing Caucasian Iberia under Muslim suzerainty. The Khazars struck back in 726, led by a prince named Barjik, launching a major invasion of Albania and Azerbaijan; by 729, the Arabs had lost control of northeastern Transcaucasia and were thrust again into the defensive. In 730, Barjik invaded Iranian Azerbaijan and defeated Arab forces at Ardabil, killing the general al-Djarrah al-Hakami and briefly occupying the town. Barjik was defeated and killed the next year at Mosul, where he directed Khazar forces from a throne mounted with al-Djarrah's severed head. In 737, Marwan Ibn Muhammad entered Khazar territory under the guise of seeking a truce. He then launched a surprise attack in which The Qaghan fled north and the Khazars surrendered. The Arabs did not have resources to influence affairs of Transcaucasia. The Qağan was forced to accept terms involving conversion to Islam, and to subject himself to the Caliphate, but the accommodation was short-lived as a combination of internal instability among the Umayyads and Byzantine support undid the agreement within three years, and the Khazars re-asserted their independence. The suggestion that the Khazars adopted Judaism as early as 740 is based on the idea that, in part, it was, a re-assertion of independence with regard to both Byzantium and the Caliphate, while conforming to a general Eurasian trend to embrace a world religion.[note 33]
Whatever the impact of Marwan's campaigns, warfare between the Khazars and the Arabs ceased for more than two decades after 737. Arab raids continued until 741, but their control in the region was limited as maintaining a large garrison at Derbent further depleted the already overstretched army. A third Muslim civil war soon broke out, leading to the Abbasid Revolution and the fall of the Umayyad dynasty in 750.
In 758, the Abbasid Caliph al-Mansur attempted to strengthen diplomatic ties with the Khazars, ordering Yazid ibn Usayd al-Sulami, one of his nobles and the military governor of Armenia, to take a royal Khazar bride. Yazid married a daughter of Khazar Khagan Baghatur, but she died inexplicably, possibly in childbirth. Her attendants returned home, convinced that some Arab faction had poisoned her, and her father was enraged. Khazar general Ras Tarkhan invaded south of the Caucasus in 762–764, devastating Albania, Armenia, and Iberia, and capturing Tiflis. Thereafter relations became increasingly cordial between the Khazars and the Abbasids, whose foreign policies were generally less expansionist than the Umayyads, broken only by a series of raids in 799 over another failed marriage alliance.
Khazars and Hungarians
Around 830, a rebellion broke out in the Khazar khaganate. As a result, three Kabar tribes of the Khazars (probably the majority of ethnic Khazars) joined the Hungarians and moved through Levedia to what the Hungarians call the Etelköz, the territory between the Carpathians and the Dnieper River. The Hungarians faced their first attack by the Pechenegs around 854, though other sources state that an attack by Pechenegs was the reason for their departure to Etelköz. The new neighbours of the Hungarians were the Varangians and the eastern Slavs. From 862 onwards, the Hungarians (already referred to as the Ungri) along with their allies, the Kabars, started a series of raids from the Etelköz into the Carpathian Basin, mostly against the Eastern Frankish Empire (Germany) and Great Moravia, but also against the Lower Pannonian principality and Bulgaria. Then they together ended up at the outer slopes of Carpathians, and settled there, where the majority of Khazars converted from Judaism to Christianity in the 10th to 13th centuries. There could be shamanists and Christians among these Khazars apart from Jews.[better source needed]
Rise of the Rus' and the collapse of the Khazarian state
By the 9th century, groups of Varangian Rus', developing a powerful warrior-merchant system, began probing south down the waterways controlled by the Khazars and their protectorate, the Volga Bulgarians, partially in pursuit of the Arab silver that flowed north for hoarding through the Khazarian-Volga Bulgarian trading zones,[note 34] partially to trade in furs and ironwork.[note 35] Northern mercantile fleets passing Atil were tithed, as they were at Byzantine Cherson. Their presence may have prompted the formation of a Rus' state by convincing the Slavs, Merja and the Chud' to unite to protect common interests against Khazarian exactions of tribute. It is often argued that a Rus' Khaganate modelled on the Khazarian state had formed to the east and that the Varangian chieftain of the coalition appropriated the title of qağan (khagan) as early as the 830s: the title survived to denote the princes of Kievan Rus', whose capital, Kyiv, is often associated with a Khazarian foundation.[note 36][note 37] The construction of the Sarkel fortress, with technical assistance from Khazaria's Byzantine ally at the time, together with the minting of an autonomous Khazar coinage around the 830s, may have been a defensive measure against emerging threats from Varangians to the north and from the Magyars on the eastern steppe.[note 38][note 39] By 860, the Rus' had penetrated as far as Kyiv and, via the Dnieper, Constantinople.
Alliances often shifted. Byzantium, threatened by Varangian Rus' raiders, would assist Khazaria, and Khazaria at times allowed the northerners to pass through their territory in exchange for a portion of the booty. From the beginning of the 10th century, the Khazars found themselves fighting on multiple fronts as nomadic incursions were exacerbated by uprisings by former clients and invasions from former allies. The pax Khazarica was caught in a pincer movement between steppe Pechenegs and the strengthening of an emergent Rus' power to the north, both undermining Khazaria's tributary empire. According to the Schechter Text, the Khazar ruler King Benjamin (ca.880–890) fought a battle against the allied forces of five lands whose moves were perhaps encouraged by Byzantium.[note 40] Although Benjamin was victorious, his son Aaron II faced another invasion, this time led by the Alans, whose leader had converted to Christianity and entered into an alliance with Byzantium, which, under Leo VI the Wise, encouraged them to fight against the Khazars.
By the 880s, Khazar control of the Middle Dnieper from Kyiv, where they collected tribute from Eastern Slavic tribes, began to wane as Oleg of Novgorod wrested control of the city from the Varangian warlords Askold and Dir, and embarked on what was to prove to be the foundation of a Rus' empire. The Khazars had initially allowed the Rus' to use the trade route along the Volga River, and raid southwards. See Caspian expeditions of the Rus'. According to Al-Mas'udi, the qağan is said to have given his assent on the condition that the Rus' give him half of the booty. In 913, however, two years after Byzantium concluded a peace treaty with the Rus' in 911, a Varangian foray, with Khazar connivance, through Arab lands led to a request to the Khazar throne by the Khwârazmian Islamic guard for permission to retaliate against the large Rus' contingent on its return. The purpose was to revenge the violence the Rus' razzias had inflicted on their fellow Muslim believers.[note 41] The Rus' force was thoroughly routed and massacred. The Khazar rulers closed the passage down the Volga to the Rus', sparking a war. In the early 960s, Khazar ruler Joseph wrote to Hasdai ibn Shaprut about the deterioration of Khazar relations with the Rus': "I protect the mouth of the river (Itil-Volga) and prevent the Rus arriving in their ships from setting off by sea against the Ishmaelites and (equally) all (their) enemies from setting off by land to Bab."[note 42]
The Rus' warlords launched several wars against the Khazar Qağanate, and raided down to the Caspian sea. The Schechter Letter relates the story of a campaign against Khazaria by HLGW (recently identified as Oleg of Chernigov) around 941 in which Oleg was defeated by the Khazar general Pesakh. The Khazar alliance with the Byzantine empire began to collapse in the early 10th century. Byzantine and Khazar forces may have clashed in the Crimea, and by the 940s emperor Constantine VII Porphyrogenitus was speculating in De Administrando Imperio about ways in which the Khazars could be isolated and attacked. The Byzantines during the same period began to attempt alliances with the Pechenegs and the Rus', with varying degrees of success. Sviatoslav I finally succeeded in destroying Khazar imperial power in the 960s, in a circular sweep that overwhelmed Khazar fortresses like Sarkel and Tamatarkha, and reached as far as the Caucasian Kassogians/Circassians[note 44] and then back to Kyiv. Sarkel fell in 965, with the capital city of Atil following, c. 968 or 969.
In the Russian chronicle, the vanquishing of the Khazar traditions is associated with Vladimir's conversion in 986. According to the Primary Chronicle, in 986 Khazar Jews were present at Vladimir's disputation to decide on the prospective religion of the Kievan Rus'. Whether these were Jews who had settled in Kyiv or emissaries from some Jewish Khazar remnant state is unclear. Conversion to one of the faiths of the people of Scripture was a precondition to any peace treaty with the Arabs, whose Bulgar envoys had arrived in Kyiv after 985.
A visitor to Atil wrote soon after the sacking of the city that its vineyards and garden had been razed, that not a grape or raisin remained in the land, and not even alms for the poor were available. An attempt to rebuild may have been undertaken, since Ibn Hawqal and al-Muqaddasi refer to it after that date, but by Al-Biruni's time (1048) it was in ruins.[note 45]
Aftermath: impact, decline and dispersion
Although Poliak argued that the Khazar kingdom did not wholly succumb to Sviatoslav's campaign, but lingered on until 1224, when the Mongols invaded Rus', by most accounts, the Rus'-Oghuz campaigns left Khazaria devastated, with perhaps many Khazarian Jews in flight, and leaving behind at best a minor rump state. It left little trace, except for some placenames,[note 46] and much of its population was undoubtedly absorbed in successor hordes. Al-Muqaddasi, writing ca.985, mentions Khazar beyond the Caspian sea as a district of "woe and squalor", with honey, many sheep and Jews. Kedrenos mentions a joint Rus'-Byzantine attack on Khazaria in 1016, which defeated its ruler Georgius Tzul. The name suggests Christian affiliations. The account concludes by saying, that after Tzul's defeat, the Khazar ruler of "upper Media", Senaccherib, had to sue for peace and submission. In 1024 Mstislav of Chernigov (one of Vladimir's sons) marched against his brother Yaroslav with an army that included "Khazars and Kassogians" in a repulsed attempt to restore a kind of "Khazarian"-type dominion over Kyiv. Ibn al-Athir's mention of a "raid of Faḍlūn the Kurd against the Khazars" in 1030 CE, in which 10,000 of his men were vanquished by the latter, has been taken as a reference to such a Khazar remnant, but Barthold identified this Faḍlūn as Faḍl ibn Muḥammad and the "Khazars" as either Georgians or Abkhazians. A Kievian prince named Oleg, grandson of Jaroslav was reportedly kidnapped by "Khazars" in 1079 and shipped off to Constantinople, although most scholars believe that this is a reference to the Cumans-Kipchaks or other steppe peoples then dominant in the Pontic region. Upon his conquest of Tmutarakan in the 1080s Oleg Sviatoslavich, son of a prince of Chernigov, gave himself the title "Archon of Khazaria". In 1083 Oleg is said to have exacted revenge on the Khazars after his brother Roman was killed by their allies, the Polovtsi/Cumans. After one more conflict with these Polovtsi in 1106, the Khazars fade from history. By the 13th century they survived in Russian folklore only as "Jewish heroes" in the "land of the Jews". (zemlya Jidovskaya).
By the end of the 12th century, Petachiah of Ratisbon reported travelling through what he called "Khazaria", and had little to remark on other than describing its minim (sectaries) living amidst desolation in perpetual mourning. The reference seems to be to Karaites. The Franciscan missionary William of Rubruck likewise found only impoverished pastures in the lower Volga area where Ital once lay. Giovanni da Pian del Carpine, the papal legate to the court of the Mongol Khan Guyuk at that time, mentioned an otherwise unattested Jewish tribe, the Brutakhi, perhaps in the Volga region. Although connections are made to the Khazars, the link is based merely on a common attribution of Judaism.
The 10th century Zoroastrian Dênkart registered the collapse of Khazar power in attributing its eclipse to the enfeebling effects of "false" religion.[note 47] The decline was contemporary to that suffered by the Transoxiana Sāmānid empire to the east, both events paving the way for the rise of the Great Seljuq Empire, whose founding traditions mention Khazar connections.[note 48] Whatever successor entity survived, it could no longer function as a bulwark against the pressure east and south of nomad expansions. By 1043, Kimeks and Qipchaqs, thrusting westwards, pressured the Oğuz, who in turn pushed the Pechenegs west towards Byzantium's Balkan provinces.
Khazaria nonetheless left its mark on the rising states and some of their traditions and institutions. Much earlier, Tzitzak, the Khazar wife of Leo III, introduced into the Byzantine court the distinctive kaftan or riding habit of the nomadic Khazars, the tzitzakion (τζιτζάκιον), and this was adopted as a solemn element of imperial dress.[note 49] The orderly hierarchical system of succession by "scales" (lestvichnaia sistema:лествичная система) to the Grand Principate of Kyiv was arguably modelled on Khazar institutions, via the example of the Rus' Khaganate.
The proto-Hungarian Pontic tribe, while perhaps threatening Khazaria as early as 839 (Sarkel), practiced their institutional model, such as the dual rule of a ceremonial kende-kündü and a gyula administering practical and military administration, as tributaries of the Khazars. A dissident group of Khazars, the Qabars, joined the Hungarians in their migration westwards as they moved into Pannonia. Elements within the Hungarian population can be viewed as perpetuating Khazar traditions as a successor state. Byzantine sources refer to Hungary as Western Tourkia in contrast to Khazaria, Eastern Tourkia. The gyula line produced the kings of medieval Hungary through descent from Árpád, while the Qabars retained their traditions longer, and were known as "black Hungarians" (fekete magyarság). Some archaeological evidence from Čelarevo suggests the Qabars practised Judaism since warrior graves with Jewish symbols were found there, including menorahs, shofars, etrogs, lulavs, candlesnuffers, ash collectors, inscriptions in Hebrew, and a six-pointed star identical to the Star of David.
The Khazar state was not the only Jewish state to rise between the fall of the Second Temple (67–70 CE) and the establishment of Israel (1948). A state in Yemen also adopted Judaism in the 4th century, lasting until the rise of Islam.
The Khazar kingdom is said to have stimulated messianic aspirations for a return to Israel as early as Judah Halevi. In the time of the Egyptian vizier Al-Afdal Shahanshah (d. 1121), one Solomon ben Duji, often identified as a Khazarian Jew,[note 51] attempted to advocate for a messianic effort for the liberation of, and return of all Jews to, Palestine. He wrote to many Jewish communities to enlist support. He eventually moved to Kurdistan where his son Menachem some decades later assumed the title of Messiah and, raising an army for this purpose, took the fortress of Amadiya north of Mosul. His project was opposed by the rabbinical authorities and he was poisoned in his sleep. One theory maintains that the Star of David, until then a decorative motif or magical emblem, began to assume its national value in late Jewish tradition from its earlier symbolic use by Menachem.
The word Khazar, as an ethnonym, was last used in the 13th century by people in the North Caucasus believed to practice Judaism. The nature of a hypothetical Khazar diaspora, Jewish or otherwise, is disputed. Avraham ibn Daud mentions encountering rabbinical students descended from Khazars as far away as Toledo, Spain in the 1160s. Khazar communities persisted here and there. Many Khazar mercenaries served in the armies of the Islamic Caliphates and other states. Documents from medieval Constantinople attest to a Khazar community mingled with the Jews of the suburb of Pera. Khazar merchants were active in both Constantinople and Alexandria in the 12th century.
Direct sources for the Khazar religion are not many, but in all likelihood they originally engaged in a traditional Turkic form of religious practices known as Tengrism, which focused on the sky god Tengri. Something of its nature may be deduced from what we know of the rites and beliefs of contiguous tribes, such as the North Caucasian Huns. Horse sacrifices were made to this supreme deity. Rites involved offerings to fire, water, and the moon, to remarkable creatures, and to "gods of the road" (cf. Old Türk yol tengri, perhaps a god of fortune). Sun amulets were widespread as cultic ornaments. A tree cult was also maintained. Whatever was struck by lightning, man or object, was considered a sacrifice to the high god of heaven. The afterlife, to judge from excavations of aristocratic tumuli, was much a continuation of life on earth, warriors being interred with their weapons, horses, and sometimes with human sacrifices: the funeral of one tudrun in 711-12 saw 300 soldiers killed to accompany him to the otherworld. Ancestor worship was observed. The key religious figure appears to have been a shaman-like qam, and it was these (qozmím) that were, according to the Khazar Hebrew conversion stories, driven out.
Many sources suggest, and a notable number of scholars have argued, that the charismatic Āshǐnà clan played a germinal role in the early Khazar state, although Zuckerman dismisses the widespread notion of their pivotal role as a "phantom". The Āshǐnà were closely associated with the Tengri cult, whose practices involved rites performed to assure a tribe of heaven's protective providence. The qağan was deemed to rule by virtue of qut, "the heavenly mandate/good fortune to rule."[note 52]
Khazaria long served as a buffer state between the Byzantine empire and both the nomads of the northern steppes and the Umayyad empire, after serving as Byzantium's proxy against the Sasanian Persian empire. The alliance was dropped around 900. Byzantium began to encourage the Alans to attack Khazaria and weaken its hold on Crimea and the Caucasus, while seeking to obtain an entente with the rising Rus' power to the north, which it aspired to convert to Christianity.
On Khazaria's southern flank, both Islam and Byzantine Christianity were proselytising great powers. Byzantine success in the north was sporadic, although Armenian and Albanian missions from Derbend built churches extensively in maritime Daghestan, then a Khazar district. Buddhism also had exercised an attraction on leaders of both the Eastern (552–742) and Western Qağanates (552–659), the latter being the progenitor of the Khazar state. In 682, according to the Armenian chronicle of Movsês Dasxuranc'i, the king of Caucasian Albania, Varaz Trdat, dispatched a bishop, Israyêl, to convert Caucasian "Huns" who were subject to the Khazars, and managed to convince Alp Ilut'uêr, a son-in-law of the Khazar qağan, and his army, to abandon their shamanising cults and join the Christian fold.[note 53]
The Arab Georgian martyr St Abo, who converted to Christianity within the Khazar kingdom around 779–80, describes local Khazars as irreligious.[note 54] Some reports register a Christian majority at Samandar,[note 55] or Muslim majorities.[note 56]
The conversion of Khazars to Judaism is reported by external sources and in the Khazar Correspondence, although doubts persist. Hebrew documents, whose authenticity was long doubted and challenged,[note 57] are now widely accepted by specialists as either authentic or as reflecting internal Khazar traditions.[note 58][note 59][note 60] Archaeological evidence for conversion, on the other hand, remains elusive,[note 61][note 62] and may reflect either the incompleteness of excavations, or that the stratum of actual adherents was thin.[note 63] Conversion of steppe or peripheral tribes to a universal religion is a fairly well attested phenomenon,[note 64] and the Khazar conversion to Judaism, although unusual, would not have been unique.[note 65] Other scholars have concluded that the conversion of the Khazar elite to Judaism never happened. A few scholars, Moshe Gil, recently seconded by Shaul Stampfer,[note 66] dismiss the conversion as a myth.
Jews from both the Islamic world and Byzantium are known to have migrated to Khazaria during periods of persecution under Heraclius, Justinian II, Leo III, and Romanus Lakapēnos. For Simon Schama, Jewish communities from the Balkans and the Bosphoran Crimea, especially from Panticapaeum, began migrating to the more hospitable climate of pagan Khazaria in the wake of these persecutions, and were joined there by Jews from Armenia. The Geniza fragments, he argues, make it clear the Judaising reforms sent roots down into the whole of the population. The pattern is one of an elite conversion preceding large-scale adoption of the new religion by the general population, which often resisted the imposition. One important condition for mass conversion was a settled urban state, where churches, synagogues or mosques provided a focus for religion, as opposed to the free nomadic lifestyle of life on the open steppes.[note 67] A tradition of the Iranian Judeo-Tats claims that their ancestors were responsible for the Khazar conversion. A legend traceable to the 16th-century Italian rabbi Judah Moscato attributed it to Yitzhak ha-Sangari.
Both the date of the conversion, and the extent of its influence beyond the elite,[note 68] often minimised in some scholarship,[note 69] are a matter of dispute,[note 70] but at some point between 740 and 920 CE, the Khazar royalty and nobility appear to have converted to Judaism, in part, it is argued, perhaps to deflect competing pressures from Arabs and Byzantines to accept either Islam or Orthodoxy.[note 71][note 72]
History of discussions of Khazar Jewishness
The earliest surviving Arabic text that refers to Khazar Jewishness appears to be that of ibn Rustah, a Persian scholar who wrote an encyclopedic work on geography in the early tenth century. It is believed that ibn Rustah derived much of his information from the works of his contemporary Abu al Jayhani based in Central Asia.
Christian of Stavelot in his Expositio in Matthaeum Evangelistam (c. 860–870s) refers to Gazari, presumably Khazars, as living in the lands of Gog and Magog, who were circumcised and omnem Judaismum observat—observing all the laws of Judaism.[note 73] New numismatic evidence of coins dated 837/8 bearing the inscriptions arḍ al-ḫazar (Land of the Khazars), or Mûsâ rasûl Allâh (Moses is the messenger of God, in imitation of the Islamic coin phrase: Muḥammad rasûl Allâh) suggest to many the conversion took place in that decade.[note 74] Olsson argues that the 837/8 evidence marks only the beginning of a long and difficult official Judaization that concluded some decades later.[note 75] A 9th-century Jewish traveller, Eldad ha-Dani, is said to have informed Spanish Jews in 883 that there was a Jewish polity in the East, and that fragments of the legendary Ten Lost Tribes, part of the line of Simeon and half-line of Manasseh, dwelt in "the land of the Khazars", receiving tribute from some 25 to 28 kingdoms. Another view holds that by the 10th century, while the royal clan officially claimed Judaism, a non-normative variety of Islamisation took place among the majority of Khazars.
By the 10th century, the letter of King Joseph asserts that, after the royal conversion, "Israel returned (yashuvu yisra'el) with the people of Qazaria (to Judaism) in complete repentance (bi-teshuvah shelemah)." Persian historian Ibn al-Faqîh wrote that "all the Khazars are Jews, but they have been Judaized recently". Ibn Fadlân, based on his Caliphal mission (921–922) to the Volga Bulğars, also reported that "the core element of the state, the Khazars, were Judaized",[note 76] something underwritten by the Qaraite scholar Ya'kub Qirqisânî around 937.[note 77] The conversion appears to have occurred against a background of frictions arising from both an intensification of Byzantine missionary activity from the Crimea to the Caucasus, and Arab attempts to wrest control over the latter in the 8th century CE, and a revolt, put down, by the Khavars around the mid-9th century is often invoked as in part influenced by their refusal to accept Judaism. Modern scholars generally[note 78] see the conversion as a slow process through three stages, which accords with Richard Eaton's model of syncretic inclusion, gradual identification and, finally, displacement of the older tradition.[note 79]
Sometime between 954 and 961, Ḥasdai ibn Shaprūṭ, from al-Andalus (Muslim Spain), wrote a letter of inquiry addressed to the ruler of Khazaria, and received a reply from Joseph of Khazaria. The exchanges of this Khazar Correspondence, together with the Schechter Letter discovered in the Cairo Geniza and the famous plato nizing dialogue by Judah Halevi, Sefer ha-Kuzari ("Book (of) The Khazari"), which plausibly drew on such sources,[note 80] provide us with the only direct evidence of the indigenous traditions[note 81] concerning the conversion. King Bulan[note 82] is said to have driven out the sorcerers,[note 83] and to have received angelic visitations exhorting him to find the true religion, upon which, accompanied by his vizier, he travelled to desert mountains of Warsān on a seashore, where he came across a cave rising from the plain of Tiyul in which Jews used to celebrate the Sabbath. Here he was circumcised.[note 84] Bulan is then said to have convened a royal debate between exponents of the three Abrahamic religions. He decided to convert when he was convinced of Judaism's superiority. Many scholars situate this c. 740, a date supported by Halevi's own account. The details are both Judaic[note 85] and Türkic: a Türkic ethnogonic myth speaks of an ancestral cave in which the Āshǐnà were conceived from the mating of their human ancestor and a wolf ancestress.[note 86] These accounts suggest that there was a rationalising syncretism of native pagan traditions with Jewish law, by melding through the motif of the cave, a site of ancestral ritual and repository of forgotten sacred texts, Türkic myths of origin and Jewish notions of redemption of Israel's fallen people. It is generally agreed they adopted Rabbinical rather than Qaraite Judaism.
Ibn Fadlan reports that the settlement of disputes in Khazaria was adjudicated by judges hailing each from his community, be it Christian, Jewish, Muslim, or Pagan. Some evidence suggests that the Khazar king saw himself as a defender of Jews even beyond the kingdom's frontiers, retaliating against Muslim or Christian interests in Khazaria in the wake of Islamic and Byzantine persecutions of Jews abroad.[note 87] Ibn Fadlan recounts specifically an incident in which the king of Khazaria destroyed the minaret of a mosque in Atil as revenge for the destruction of a synagogue in Dâr al-Bâbûnaj, and allegedly said he would have done worse were it not for a fear that the Muslims might retaliate in turn against Jews. Ḥasdai ibn Shaprūṭ sought information on Khazaria in the hope he might discover "a place on this earth where harassed Israel can rule itself" and wrote that, were it to prove true that Khazaria had such a king, he would not hesitate to forsake his high office and his family in order to emigrate there.[note 88]
Albert Harkavy noted in 1877 that an Arabic commentary on Isaiah 48:14 ascribed to Saadia Gaon or to the Karaite scholar Benjamin Nahâwandî, interpreted "The Lord hath loved him" as a reference "to the Khazars, who will go and destroy Babel" (i.e., Babylonia), a name used to designate the country of the Arabs. This has been taken as an indication of hopes by Jews that the Khazars might succeed in destroying the Caliphate.
In 965, as the Qağanate was struggling against the victorious campaign of the Rus' prince Sviatoslav, the Islamic historian Ibn al-Athîr mentions that Khazaria, attacked by the Oğuz, sought help from Khwarezm, but their appeal was rejected because they were regarded as "infidels" (al-kuffâr:pagans). Save for the king, the Khazarians are said to have converted to Islam in order to secure an alliance, and the Turks were, with Khwarezm's military assistance, repelled. It was this that, according to Ibn al-Athîr, led the Jewish king of Khazar to convert to Islam.
Claims of Khazar ancestry
Claims of Khazar origins for peoples, or suggestions that Khazars were absorbed by them, have been made regarding the Kazakhs, the Hungarians, the Slavic Judaising Subbotniks, the Muslim Karachays, Kumyks, Avars, the Cossacks of the Don and Ukrainian Cossacks (see Khazar hypothesis of Cossack ancestry), the Turkic-speaking Krymchaks and their Crimean neighbours the Karaites to the Moldavian Csángós, the Mountain Jews and others. Turkic-speaking Crimean Karaites (known in the Crimean Tatar language as Qaraylar), some of whom migrated in the 19th century from the Crimea to Poland and Lithuania have claimed Khazar origins. Specialists in Khazar history question the connection.[note 89] Scholarship is likewise sceptical of claims that the Tatar-speaking Krymchak Jews of the Crimea descend from Khazars.
Crimean Karaites and Krymchaks
In 1839, the Karaim scholar Abraham Firkovich was appointed by the Russian government as a researcher into the origins of the Jewish sect known as the Karaites. In 1846, one of his acquaintances, the Russian orientalist Vasilii Vasil'evich Grigor'ev (1816–1881), theorised that the Crimean Karaites were of Khazar stock. Firkovich vehemently rejected the idea, a position seconded by Firkovich, who hoped that by "proving" his people were of Turkish origin, would secure them exception from Russian anti-Jewish laws, since they bore no responsibility for Christ's crucifixion. This idea has a notable impact in Crimean Karaite circles.[note 90] It is now believed that he forged much of this material on Khazars and Karaites. Specialists in Khazar history also question the connection.[note 89] Brook's genetic study of European Karaites found no evidence of a Khazar or Turkic origin for any uniparental lineage but did reveal the European Karaites' links to Egyptian Karaites and to Rabbinical Jewish communities.
Another Turkish Crimean group, the Krymchaks had retained very simple Jewish traditions, mostly devoid of halakhic content, and very much taken with magical superstitions which, in the wake of the enduring educational efforts of the great Sephardi scholar Chaim Hezekiah Medini, came to conform with traditional Judaism.
Though the assertion they were not of Jewish stock enabled many Crimean Karaites to survive the Holocaust, which led to the murder of 6,000 Krymchaks, after the war, the many of the latter, somewhat indifferent to their Jewish heritage, took a cue from the Crimean Karaites, and denied this connection in order to avoid the antisemitic effects of the stigma attached to Jews.
Several scholars have suggested that the Khazars did not disappear after the dissolution of their Empire, but migrated west to eventually form part of the core of the later Ashkenazi Jewish population of Europe. This hypothesis is greeted with scepticism or caution by most scholars.[note 91][note 92][note 93] The German Orientalist Karl Neumann, in the context of an earlier controversy about possible connections between Khazars and the ancestors of the Slavic peoples, suggested as early as 1847 emigrant Khazars might have influenced the core population of Eastern European Jews.[note 94]
The theory was then taken up by Albert Harkavi in 1869 when he also claimed a possible link between the Khazars and Ashkenazi,[note 95] but the theory that Khazar converts formed a major proportion of Ashkenazi was first proposed to a Western public in a lecture by Ernest Renan in 1883.[note 96] Occasional suggestions emerged that there was a small Khazar component in East European Jews in works by Joseph Jacobs (1886), Anatole Leroy-Beaulieu, a critic of anti-Semitism (1893), Maksymilian Ernest Gumplowicz,[note 97] and by the Russian-Jewish anthropologist Samuel Weissenberg.[note 98] In 1909 Hugo von Kutschera developed the notion into a book-length study, arguing Khazars formed the foundational core of the modern Ashkenazi. Maurice Fishberg introduced the notion to American audiences in 1911. The idea was also taken up by the Polish-Jewish economic historian and General Zionist Yitzhak Schipper in 1918.[note 99] Israel Bartal has suggested that from the Haskalah onwards polemical pamphlets against the Khazars were inspired by Sephardi organizations opposed to the Khazaro-Ashkenazim.
Scholarly anthropologists, such as Roland B. Dixon (1923), and writers like H. G. Wells (1920) used it to argue that "The main part of Jewry never was in Judea",[note 100] a thesis that was to have a political echo in later opinion.[note 101] In 1932, Samuel Krauss ventured the theory that the biblical Ashkenaz referred to northern Asia Minor, and identified it with the Khazars, a position immediately disputed by Jacob Mann. Ten years later, in 1942, Abraham N. Polak (sometimes referred to as Poliak), later professor for the history of the Middle Ages at Tel Aviv University, published a Hebrew monograph in which he concluded that the East European Jews came from Khazaria.[note 102][note 103] D.M. Dunlop, writing in 1954, thought very little evidence backed what he regarded as a mere assumption, and argued that the Ashkenazi-Khazar descent theory went far beyond what "our imperfect records" permit. Léon Poliakov, while assuming the Jews of Western Europe resulted from a "panmixia" in the first millennium, asserted in 1955 that it was widely assumed that Europe's Eastern Jews descended from a mixture of Khazarian and German Jews.[note 104] Poliak's work found some support in Salo Wittmayer Baron and Ben-Zion Dinur,[note 105][note 106] but was dismissed by Bernard Weinryb as a fiction (1962).[note 107] Bernard Lewis was of the opinion that the word in Cairo Geniza interpreted as Khazaria is actually Hakkari and therefore it relates to the Kurds of the Hakkari mountains in southeast Turkey.
The Khazar-Ashkenazi hypothesis came to the attention of a much wider public with the publication of Arthur Koestler's The Thirteenth Tribe in 1976, which was both positively reviewed and dismissed as a fantasy, and a somewhat dangerous one. Israeli historian Zvi Ankori argued that Koestler had allowed his literary imagination to espouse Poliak's thesis, which most historians dismissed as speculative. Israel's ambassador to Britain branded it "an anti-Semitic action financed by the Palestinians", while Bernard Lewis claimed that the idea was not supported by any evidence whatsoever, and had been abandoned by all serious scholars.[note 108] Raphael Patai, however, registered some support for the idea that Khazar remnants had played a role in the growth of Eastern European Jewish communities,[note 109] and several amateur researchers, such as Boris Altschüler (1994), kept the thesis in the public eye. The theory has been occasionally manipulated to deny Jewish nationhood. Recently, a variety of approaches, from linguistics (Paul Wexler) to historiography (Shlomo Sand) and population genetics (Eran Elhaik, a geneticist from the University of Sheffield) have emerged to keep the theory alive. In a broad academic perspective, both the idea that the Khazars converted en masse to Judaism and the suggestion they emigrated to form the core population of Ashkenazi Jewry, remain highly polemical issues.
One thesis held that the Khazar Jewish population went into a northern diaspora and had a significant impact on the rise of Ashkenazi Jews. Connected to this thesis is the theory, expounded by Paul Wexler, that the grammar of Yiddish contains a Khazar substrate. In 2018, Kevin Alan Brook cited genetic data to argue against the claim that Ashkenazim have any amount of Khazarian ancestry.
Use in anti-Semitic polemics
According to Michael Barkun, the Khazar hypothesis never played any major role in anti-Semitism, although he writes that histories of the latter rather oddly overlook the influence it has exercised on American antisemites since the restrictions on immigration in the 1920s.[note 110][note 111] Maurice Fishberg and Roland B Dixon's works were later exploited in racist and religious polemical literature in both Britain, in British Israelism, and the United States.[note 112] Particularly after the publication of Burton J. Hendrick's The Jews in America (1923) it began to enjoy a vogue among advocates of immigration restriction in the 1920s; racial theorists like Lothrop Stoddard; anti-Semitic conspiracy-theorists like the Ku Klux Klan's Hiram Wesley Evans; anti-communist polemicists like John O. Beaty[note 113] and Wilmot Robertson, whose views influenced David Duke. According to Yehoshafat Harkabi (1968) and others,[note 114] it played a role in Arab anti-Zionist polemics, and took on an anti-semitic edge. Bernard Lewis, noting in 1987 that Arab scholars had dropped it, remarked that it only occasionally emerged in Arab political discourse.[note 115] It has also played some role in Soviet anti-Semitic chauvinism[note 116] and Slavic Eurasian historiography; particularly, in the works of scholars like Lev Gumilev, it came to be exploited by the white supremacist Christian Identity movement and even by terrorist esoteric cults like Aum Shinrikyō.
The hypothesis of Khazarian ancestry in Ashkenazi has also been a subject of vehement disagreements in the field of population genetics,[note 117] wherein claims have been made concerning evidence both for and against it. Eran Elhaik argued in 2012 for a significant Khazar component in the paternal line based on the study of Y-DNA of Ashkenazi Jews using Caucasian populations—Georgians, Armenians and Azerbaijani Jews—as proxies.[note 118] The evidence from historians he used has been criticised by Shaul Stampfer and the technical response to such a position from geneticists is mostly dismissive, arguing that, if traces of descent from Khazars exist in the Ashkenazi gene pool, the contribution would be quite minor,[note 119] or insignificant. One geneticist, Raphael Falk, has argued that "national and ethnic prejudices play a central role in the controversy."[note 120] According to Nadia Abu El-Haj, the issues of origins are generally complicated by the difficulties of writing history via genome studies and the biases of emotional investments in different narratives, depending on whether the emphasis lies on direct descent or on conversion within Jewish history. The lack of Khazar DNA samples that might allow verification also presents difficulties.[note 121]
The Kuzari is an influential work written by the medieval Spanish Jewish philosopher and poet Rabbi Yehuda Halevi (c. 1075–1141). Divided into five essays (ma'amarim), it takes the form of a fictional dialogue between the pagan king of the Khazars and a Jew who was invited to instruct him in the tenets of the Jewish religion. The intent of the work, although based on Ḥasdai ibn Shaprūṭ's correspondence with the Khazar king, was not historical, but rather to defend Judaism as a revealed religion, written in the context, firstly of Karaite challenges to the Spanish rabbinical intelligentsia, and then against temptations to adapt Aristotelianism and Islamic philosophy to the Jewish faith. Originally written in Arabic, it was translated into Hebrew by Judah ibn Tibbon.
Benjamin Disraeli's early novel Alroy (1833) draws on Menachem ben Solomon's story. The question of mass religious conversion and the indeterminability of the truth of stories about identity and conversion are central themes of Milorad Pavić's best-selling mystery story Dictionary of the Khazars.
H.N. Turteltaub's Justinian, Marek Halter's Book of Abraham and Wind of the Khazars, and Michael Chabon's Gentlemen of the Road allude to or feature elements of Khazar history or create fictional Khazar characters.
Cities associated with the Khazars
Cities associated with the Khazars include Atil, Khazaran, Samandar; in the Caucasus, Balanjar, Kazarki, Sambalut, and Samiran; in Crimea and the Taman region, Kerch, Theodosia, Yevpatoria (Güzliev), Samkarsh (also called Tmutarakan, Tamatarkha), and Sudak; and in the Don valley, Sarkel. A number of Khazar settlements have been discovered in the Mayaki-Saltovo region. Some scholars suppose that the Khazar settlement of Sambat on the Dnieper refers to the later Kyiv.[note 122]
- This figure has been calculated on the basis of the data in both Herlihy and Russell's work (Herlihy 1984, pp. 136–148; Russell 1972, pp. 25–71).
- where 'H' represents 'X', a voiceless velar fricative in Byzantine Greek.
- "The Gazari are, presumably, the Khazars, although this term or the Kozary of the perhaps near contemporary Vita Constantini ... could have reflected any of a number of peoples within Khazaria." (Golden 2007b, p. 139)
- "Somewhat later, however, in a letter to the Byzantine Emperor Basil I, dated to 871, Louis the German, clearly taking exception to what had apparently become Byzantine usage, declares that 'we have not found that the leader of the Avars, or Khazars (Gasanorum)'..." (Golden 2001a, p. 33)
- Golden 2007a, p. 16 and n.38 citing L. Bazin, "Pour une nouvelle hypothèse sur l'origine des Khazar", in Materialia Turcica, 7/8 (1981–1982): 51–71.
- Compare Tibetan dru-gu Gesar (the Turk Gesar) (Golden 2007a, p. 16).
- Sijie 思結 (also 斯結) was mentioned as a 鐵勒 Tiele, later Toquz Oghuz tribe, and distinguished from 突厥 Tujue in Chinese sources such as Old Book of Tang, New Book of Tang or Tang Huiyao. However, in other sources Sijie were also associated with Tujue (Saka Ttrūka): Zizhi Tongjian mentioned the Tujue Sijie 突厥思結 and Tang Huiyao also counted 思結 Sijie (rendered as 恩結 Enjie) among the Eastern Turkic tribes living south of the Gobi desert. A saikairä ttūrkä chārä (< *sïqïr türk čor) was also mentioned in a Khotanese Saka text about Turks in Ganzhou.
- Kěsà (可薩) would have been pronounced something like kha'sat in both Early Middle Chinese/EMC and Late Middle Chinese/LMC, while Hésà 葛 (曷薩) would yield ɣat-sat in (EMC) and xɦat sat (LMC) respectively, where final "t" often transcribes –r- in foreign words. Thus, while these Chinese forms could transcribe a foreign word of the type *Kasar/*Kazar, *Ġatsar, *Ġazar, *Ġasar, there is a problem phonetically with assimilating these to the Uyğur word Qasar 葛薩 (Standard Chinese Gesa < EMC/LMC *Kat-sat= *Kar sar= *Kasar).
- Ibn al-Nadīm commenting on script systems in 987–88 recorded that the Khazars wrote in Hebrew (Golden 2007b, p. 148).
- "The chancellery of the Jewish state of the Khazars is therefore also likely to have used Hebrew writing even if the official language was a Turkic one." (Erdal 2007, pp. 98–99)
- "there must have been many different ethnic groups within the Khazar realm ... These groups spoke different languages, some of them no doubt belonging to the Indo-European or different Caucasian language families." (Erdal 2007, p. 75, n.2)
- The high chancery official of the Abbasid Caliphate under Al-Wathiq, Sallām the interpreter (Sallam al-tardjuman), famous for his reputed mastery of thirty languages, might have been both Jewish and a Khazar Wasserstein 2007, p. 376, and n.2, referring to Dunlop 1954, pp. 190–193.
- "Oğuric Turkic, spoken by many of the subject tribes, doubtless, was one of the linguae francae of the state. Alano-As was also widely spoken. Eastern Common Turkic, the language of the royal house and its core tribes, in all likelihood remained the language of the ruling elite in the same way that Mongol continued to be used by the rulers of the Golden Horde, alongside of the Qipčaq Turkic speech spoken by the bulk of the Turkic tribesmen that constituted the military force of this part of the Činggisid empire. Similarity, Oğuric, like Qipčaq Turkic in the Jočid realm, functioned as one of the languages of government." (Golden 2006, p. 91)
- al-Iṣṭakhrī 's account however then contradicts itself by likening the language to Bulğaric (Golden 2007a, pp. 13–14, 14 n.28).
- "The word tribe is as troublesome as the term clan. It is commonly held to denote a group, like the clan, claiming descent from a common (in some culture zones eponymous) ancestor, possessing a common territory, economy, language, culture, religion, and sense of identity. In reality, tribes were often highly fluid sociopolitical structures, arising as 'ad hoc responses to ephemeral situations of competition,' as Morton H. Fried has noted." (Golden 2001b, p. 78)
- Dieter Ludwig, in his doctoral thesis Struktur und Gesellschaft des Chazaren-Reiches im Licht der schriftlichen Quellen, (Münster, 1982) suggested that the Khazars were Turkic members of the Hephthalite Empire, where the lingua franca was a variety of Iranian (Golden 2007a, pp. 40–41; Brook 2010, p. 4).
- "The reader should be warned that the A-shih-na link of the Khazar dynasty, an old phantom of ... Khazarology, will ... lose its last claim to reality" (Zuckerman 2007, p. 404).
- In this view, the name Khazar would derive from a hypothetical *Aq Qasar (Golden 2006, pp. 89–90). However, the hypothesized link between the Akatizoi and the Khazars was not solid, being based on mere phonetic resemblance (Golden 2011b, p. 136)(Brook 2006, p. 10).
- Whittow states that the word Türk had no strict ethnic meaning at the time: "Throughout the early middle ages on the Eurasian steppes, the term 'Turk' may or may not imply membership of the ethnic group of Turkic peoples, but it does always mean at least some awareness and acceptance of the traditions and ideology of the Gök Türk empire, and a share, however distant, in the political and cultural inheritance of that state." (Whittow 1996, p. 221)
- The Duōlù (咄陆) were the left wing of the On Oq, the Nǔshībì (弩失畢: *Nu Šad(a)pit), and together they were registered in Chinese sources as the "ten names" (shí míng:十名) (Golden 2010, pp. 54–55).
- Several scholars connect it to Judaization, with Artamonov linking its introduction to Obadiyah's reforms and the imposition of full Rabbinical Judaism and Pritsak to the same period (799–833), arguing that the Beg, a majordomo from the Iranian *Barč/Warâ Bolčan clan, identified with Obadiyah, compelled the Qağanal clan to convert, an event which putatively caused the Qabar revolt. Golden comments: "There is nothing but conjecture to connect it with the reforms of Obadiyah, the further evolution of Khazar Judaism or the Qabars ... The fact is we do not know when, precisely, the Khazar system of dual kingship emerged. It could not have come ex nihilo. It was not present in the early stages of Khazar history. Given the Old Türk traditions of the Khazar state ... and the overall institutional conservation of steppe society, one must exercise great caution here. Clear evidence for it is relatively late (the latter part of the ninth century perhaps and more probably the tenth century)- although it was probably present by the first third of the ninth century. Iranian influences via the Ors guard of the Qağans may have also been a factor" (Golden 2007b, pp. 155–156)
- There was a maximum limit on the number of years of a king's reign, according to Ibn Fadlan; if a Qağan had reigned for at least forty years, his courtiers and subjects felt his ability to reason would become impaired by old age. They would then kill the Qağan (Dunlop 1954, pp. 97, 112).
- Petrukhin notes that Ibn Fadlan's description of a Rus' prince (malik) and his lieutenant (khalifa) mirrored the Khazarian diarchy, but the comparison was flawed, as there was no sacral kingship among the Rus' (Petrukhin 2007, pp. 256–257).
- "the rest of the Khazars profess a religion similar to that of the Turks." (Golden 2007b, pp. 130–131)
- This regiment was exempt from campaigning against fellow Muslims, evidence that non-Judaic beliefs were no obstacle to access to the highest levels of government. They had abandoned their homeland and sought service with the Khazars in exchange for the right to exercise their religious freedom, according to al-Masudi (Golden 2007b, p. 138).
- Olsson writes that there is no evidence for this Islamic guard for the 9th century, but that its existence is attested for 913 (Olsson 2013, p. 507).
- Noonan gives the lower figure for the Muslim contingents, but adds that the army could draw on other mercenaries stationed in the capital, Rūs, Ṣaqāliba and pagans. Olsson's 10,000 refers to the spring-summer horsemen in the nomadic king's retinue (Noonan 2007, pp. 211, 217).
- A third division may have contained the dwellings of the tsarina. The dimensions of the western part were 3x3, as opposed to the eastern part's 8 x 8 farsakhs (Noonan 2007, pp. 208–209, 216–219).
- Outside Muslim traders were under the jurisdiction of a special royal official (ghulām) (Noonan 2007, pp. 211–214).
- Theophanes the Confessor around 813 defined them as Eastern Turks. The designation is complex and Róna-Tas writes: "The Georgian Chronicle refers to the Khazars in 626–628 as the 'West Turks' who were then opposed to the East Turks of Central Asia. Shortly after 679 the Armenian Geography mentions the Turks together with the Khazars; this may be the first record of the Magyars. Around 813, Theophanes uses – alongside the generic name Turk – 'East Turk' for the designation of the Khazars, and in context, the 'West Turks' may actually have meant the Magyars. We know that Nicholas Misticus referred to the Magyars as 'West Turks' in 924/925. In the 9th century the name Turk was mainly used to designate the Khazars." (Róna-Tas 1999, p. 282)
- Many sources identify the Göktürks in this alliance as Khazars--for example, Beckwith writes recently: "The alliance sealed by Heraclius with the Khazars in 627 was of seminal importance to the Byzantine Empire through the Early Middle Ages, and helped assure its long-term survival." Early sources such as the almost contemporary Armenian history, Patmutʿiwn Ałuanicʿ Ašxarhi, attributed to Movsēs Dasxurancʿ, and the Chronicle attributed to Theophanes identify these Turks as Khazars (Theophanes has: "Turks, who are called Khazars"). Both Zuckerman and Golden reject the identification.
- Scholars dismiss Chinese annals which, reporting the events from Turkic sources, attribute the destruction of Persia and its leader Shah Khusrau II personally to Tong Yabghu. Zuckerman argues instead that the account is correct in its essentials (Zuckerman 2007, p. 417).
- "The Khazars, the close allies of the Byzantines, adopted Judaism, as their official religion, apparently by 740, three years after an invasion by the Arabs under Marwan ibn Muhammad. Marwan had used treachery against a Khazar envoy to gain peaceful entrance to Khazar territory. He then declared his dishonourable intentions and pressed deep into Khazar territory, only subsequently releasing the envoy. The Arabs devastated the horse herds, seized many Khazars and others as captives, and forced much of the population to flee into the Ural Mountains. Marwan's terms were that the kaghan and his Khazars should convert to Islam. Having no choice, the kaghan agreed, and the Arabs returned home in triumph. As soon as the Arabs were gone, the kaghan renounced Islam – with, one may assume, great vehemence. The Khazar Dynasty's conversion to Judaism is best explained by this specific historical background, together with the fact that the mid-eighth century was an age in which the major Eurasian states proclaimed their adherence to distinctive world religions. Adopting Judaism also was politically astute: it meant the Khazars avoided having to accept the overlordship (however theoretical) of the Arab caliph or the Byzantine emperor." (Beckwith 2011, p. 149)
- Over 520 separate hoards of such silver have been uncovered in Sweden and Gotland (Moss 2002, p. 16).
- The Volga Bulgarian state was converted to Islam in the 10th century, and wrested liberty from its Khazarian suzerains when Svyatislav razed Atil (Abulafia 1987, pp. 419, 480–483).
- Whittow argues however that: "The title of qaghan, with its claims to lordship over the steppe world, is likely to be no more than ideological booty from the 965 victory." (Whittow 1996, pp. 243–252)
- Korobkin citing Golb & Pritsak notes that Khazars have often been connected with Kyiv's foundations. Pritsak and Golb state that children in Kyiv were being given a mixture of Hebrew and Slavic names by c. 930. Toch on the other hand is skeptical, and argues that "a significant Jewish presence in early medieval Kyiv or indeed in Russia at large remains much in doubt".
- The yarmaq based on the Arab dirhem was perhaps issued in reaction to fall-off in Muslim minting in the 820s, and to a felt need in the turbulent upheavals of the 830s to assert a new religious profile, with the Jewish legends stamped on them (Golden 2007b, p. 156).
- Scholars are divided as to whether the fortification of Sarkel represents a defensive bulwark against a growing Magyar or Varangian threat (Petrukhin 2007, pp. 247, and n.1).
- MQDWN or the Macedon dynasty of Byzantium; SY, perhaps a central Volga statelet, Burtas, Asya; PYYNYL denoting the Danube-Don Pechnegs; BM, perhaps indicating the Volga Bulgars, and TWRQY or Oghuz Turks. The provisory identifications are those of Pritsak (Kohen 2007, p. 106).
- Al-Mas'udi says the king secretly tipped off the Rus' of the attack but was unable to oppose the request of his guards (Olsson 2013, p. 507).
- The letter continues: "I wage war with them. If I left them (in peace) for a single hour they would crush the whole land of the Ishmaelites up to Baghdad." (Petrukhin 2007, p. 257)
- From Klavdiy Lebedev (1852–1916), Svyatoslav's meeting with Emperor John, as described by Leo the Deacon.
- H. H. Howorth argued that the Khazars were the ancestors of contemporary Circassians (Howorth 1870, pp. 182–192).
- Dunlop thought the later city of Saqsin lay on or near Atil (Dunlop 1954, p. 248).
- The Caspian Sea is still known to Arabs, and many peoples of the region, as the "Khazar Sea" (Arabic Bahr ul-Khazar) (Brook 2010, p. 156)
- "thus it is clear that the false doctrine of Yišô in Rome (Hrôm) and that of Môsê among the Khazars and that of Mânî in Turkistan took away their might and the valor that they once possessed and made them feeble and decadent among their rivals" (Golden 2007b, p. 130).
- Some sources claim that the father of Seljuk, the eponymous progenitor of the Seljuk Turks, namely Toqaq Temür Yalığ, began his career as an Oghuz soldier in Khazar service in the early and mid-10th century, and rose to high rank before he fell out with the Khazar rulers and departed for Khwarazm. Seljuk's sons, significantly, all bear names from the Jewish scriptures: Mîkâ"il, Isrâ"îl, Mûsâ, Yûnus. Peacock argues that early traditions attesting a Seljuk origin within the Khazar empire when it was powerful, were later rewritten, after Khazaria fell from power in the 11th century, to blank out the connection (Peacock 2010, pp. 27–35).
- Tzitzak is often treated as her original proper name, with a Turkic etymology čiček ("flower"). Erdal, however, citing the Byzantine work on court ceremony De Ceremoniis, authored by Constantine Porphyrogennetos, argues that the word referred only to the dress Irene wore at court, perhaps denoting its colourfulness, and compares it to the Hebrew ciciot, the knotted fringes of a ceremonial shawl, or tallit (Erdal 2007, p. 80, n.22; Wexler 1987, p. 72).
- "Engravings that resemble the six-pointed Star of David were found on circular Khazar relics and bronze mirrors from Sarkel and Khazarian grave fields in Upper Saltov. However, rather than having been made by Jews, these appear to be shamanistic sun discs." (Brook 2010, pp. 113, 122–123 n.148)
- Brook says this thesis was developed by Jacob Mann, based on a reading of the word "Khazaria" in the Cairo Geniza fragment. Bernard Lewis, he adds, challenged the assumption by noting that the original text reads Hakkâri and refers to the Kurds of the Hakkâri mountains in south-east Turkey (Brook 2010, pp. 191–192, n.72).
- Whittow notes that this native institution, given the constant, lengthy, military and acculturating pressures on the tribes from China to the East, was influenced also by the sinocentric doctrine of the Mandate of Heaven (Tiānmìng:天命), which signaled legitimacy of rule (Whittow 1996, p. 220).
- Alp Ilut'uêr is a Turkish subordinate title (Golden 2007b, p. 124).
- Golden and Shapira thinks the evidence from such Georgian sources renders suspect a conversion prior to this date (Golden 2007b, pp. 135–6; Shapira 2007b, pp. 347–348).
- Golden 2007b, pp. 135–136, reporting on al-Muqaddasi.
- During Islamic invasions, some groups of Khazars who suffered defeat, including a qağan, were converted to Islam (DeWeese 1994, p. 73).
- Johannes Buxtorf first published the letters around 1660. Controversy arose over their authenticity; it was even argued that the letters represented "no more than Jewish self-consolation and fantasmagory over the lost dreams of statehood" (Kohen 2007, p. 112).
- "If anyone thinks that the Khazar correspondence was first composed in 1577 and published in Qol Mebasser, the onus of proof is certainly on him. He must show that a number of ancient manuscripts, which appear to contain references to the correspondence, have all been interpolated since the end of the sixteenth century. This will prove a very difficult or rather an impossible task." (Dunlop 1954, p. 130)
- "The issue of the authenticity of the Correspondence has a long and mottled history which need not detain us here. Dunlop and most recently Golb have demonstrated that Hasdai's letter, Joseph's response (dating perhaps from the 950s) and the 'Cambridge Document' are, indeed, authentic." (Golden 2007b, pp. 145–146)
- "(a court debate on conversion) appears in accounts of Khazar Judaism in two Hebrew accounts, as well as in one eleventh-century Arabic account. These widespread and evidently independent attestations would seem to support the historicity of some kind of court debate, but, more important, clearly suggest the currency of tales recounting the conversion and originating among the Khazar Jewish community itself" ... "the 'authenticity' of the Khazar correspondence is hardly relevant" "The wider issue of the 'authenticity' of the 'Khazar correspondence', and of the significance of this tale's parallels with the equally controversial Cambridge document /Schechter text, has been discussed extensively in the literature on Khazar Judaism; much of the debate loses significance if, as Pritsak has recently suggested, the accounts are approached as 'epic' narratives rather than evaluated from the standpoint of their 'historicity'."
- "Of the intensive archaeological study of Khazar sites (over a thousand burial sites have been investigated!), not one has yet yielded finds that yet fit in some way the material legacy of antique European or Middle Eastern Jewry." (Toch 2012, pp. 162–3)
- Shingiray noting the widespread lack of artifacts of wealth in Khazar burials, arguing that nomads used few materials to express their personal attributes: "The SMC assemblages-even if they were not entirely missing from the Khazar imperial center - presented an outstanding instance of archaeological material minimalism in this region." (Shingiray 2012, pp. 209–211)
- "But, one must ask, are we to expect much religious paraphernalia in a recently converted steppe society? Do the Oğuz, in the century or so after their Islamization, present much physical evidence in the steppe for their new faith? These conclusions must be considered preliminary." (Golden 2007b, pp. 150–151, and note 137)
- Golden 2007b, pp. 128–129 compares Ulfilas's conversions of the Goths to Arianism; Al-Masudi records a conversion of the Alans to Christianity during the Abbasid period; the Volga Bulğars adopted Islam after their leader converted in the 10th century; the Uyğur Qağan accepted Manichaeism in 762.
- Golden takes exception to J. B. Bury's claim (1912) that it was "unique in history". Golden also cites from Jewish history the conversion of Idumeans under John Hyrcanus; of the Itureans under Aristobulus I; of the kingdom of Adiabene under Queen Helena; the Ḥimyârî kings in Yemen, and Berber assimilations to North African Jewry.
- "in Israel, emotions are still high when it comes to the history of the Khazars, as I witnessed in a symposium on the issue at the Israeli Academy of Sciences in Jerusalem (May 24, 2011). Whereas Prof. Shaul Stampfer believed the story of the Khazars' conversion to Judaism was a collection of stories or legends that have no historical foundation, (and insisted that the Ashkenazi of Eastern Europe of today stem from Jews in Central Europe who emigrated eastwards), Prof. Dan Shapiro believed that the conversion of the Khazars to Judaism was part of the history of Russia at the time it established itself as a kingdom." (Falk 2017, p. 101,n.9)
- "The Șûfî wandering out into the steppe was far more effective in bringing Islam to the Turkic nomads than the learned 'ulamâ of the cities." (Golden 2007b, p. 126)
- "the Khazars (most of whom did not convert to Judaism, but remained animists, or adopted Islam and Christianity)" (Wexler 2002, p. 514)
- "In much of the literature on conversions of Inner Asian peoples, attempts are made, 'to minimize the impact' ... This has certainly been true of some of the scholarship regarding the Khazars." (Golden 2007b, p. 127)
- "scholars who have contributed to the subject of the Khazars' conversion, have based their arguments on a limited corpus of textual, and more recently, numismatic evidence ... Taken together these sources offer a cacophony of distortions, contradictions, vested interests, and anomalies in some areas, and nothing but silence in others." (Olsson 2013, p. 496)
- "Judaism was apparently chosen because it was a religion of the book without being the faith of a neighbouring state which had designs on Khazar lands." (Noonan 1999, p. 502)
- "Their conversion to Judaism was the equivalent of a declaration of neutrality between the two rival powers." (Baron 1957, p. 198)
- "We are not aware of any nation under the sky that would not have Christians among them. For even in Gog and Magog, the Hunnic people who call themselves Gazari, those whom Alexander confined, there was a tribe more brave than the others. This tribe had already been circumcised and they profess all dogmata of Judaism (omnem Judaismum observat)." (Golden 2007b, p. 139)
- The idea of a forced general conversion imposed on the Qağanal dynasty in the 830s was advanced by Omeljian Pritsak, and is now supported by Roman Kovalev and Peter Golden (Olsson 2013, p. 497).
- Olsson identifies this with the onset of Magyar invasions of the Pontic steppe in the 830s, the construction of Sarkel, and the Schechter letter's reference to Bulan, converted to his Jewish wife Serakh's faith, wresting power, in a period of famine, elements which undermined the qağan, and allowed the creation of the royal diarchy (Olsson 2013, pp. 507, 513ff).
- wa al-ḥazarwa malikuhum kulluhum yahûd ("The Khazars and their king are all Jews") (Golden 2007b, pp. 143, 159)
- Golden, citing his comment on Genesis 9:27: "some other commentators are of the opinion that this verse alludes to the Khazars who accepted Judaism", with Golden's comment: "Certainly, by this time, the association of Khazaria and Judaism in the Jewish world was an established fact" (Golden 2007b, p. 143).
- Shapira and Zuckerman disagree, positing only one stage and placing it later. Shapira takes stage 1 as a Jewish-Khazar reinterpretation of the Tengri-cult in terms of a monotheism similar to Judaism's; Zuckerman thinks Judaisation took place, just once, after 861 (Shapira 2007b, pp. 349, and n.178; Zuckerman 1995, p. 250).
- Dunlop thought the first stage occurred with the king's conversion c. 740; the second with the installation of Rabbinical Judaism c. 800 (Golden 2007b, pp. 127–128, 151–153; Dunlop 1954, p. 170).
- Arabic original: Kitâb al-ḥuyya wa'l-dalîl fi naṣr al-din al-dhalîl (Book of the Argument and Demonstration in Aid of the Despised Faith) (Schweid 2007, p. 279).
- Brook mentions also a letter in Hebrew, the Mejelis document, dated 985–986, which refers to "our lord David, the Khazar prince" who lived in Taman. As Brook notes, both D. M. Dunlop and Dan Shapira dismiss it as a forgery (Brook 2010, pp. 30; 41, n.75).
- The name is commonly etymologized as meaning "elk" in Türkic. Shapira identifies him with the Sabriel of the Schechter letter, and suggests, since Sabriel is unattested as a Jewish name, although the root is "hope, believe, find out, understand" that it is a calque on the Oğuz Türkic bulan (one who finds out) or bilen (one who knows) (Shapira 2009, p. 1102).
- Szpiech, citing the Letter of King Joseph: et ha-qosmim ve-et'ovdei "avodah zarah ("expelled the wizards and idolators') (Szpiech 2012, pp. 93–117 ).
- This detail is in Halevi's Sefer Ha-Kusari. Golden has identified Warsān as Transcaucasian Varaˇc'an. Ḥasdai ibn Shaprūṭ's letter also mentions a legend that the Chaldaeans, under persecution, hid the Scriptures in a cave, and taught their sons to pray there, which they did until their descendants forgot the custom. Much later, a tradition has it, a man of Israel entered the cave and, retrieving the books, taught the descendants how to learn the Law.
- The Schechter document has officers during the religious debate speak of a cave in a certain plain (TYZWL) where books are to be retrieved. They turn out to be the books of the Torah (DeWeese 1994, p. 303; Golb & Pritsak 1982, p. 111).
- The original ancestral cavern of the Türks, according to Chinese sources, was called Ötüken, and the tribal leaders would travel there annually to conduct sacrificial rites (DeWeese 1994, pp. 276, 300–304).
- Kohen refers to Khazar killings of Christians or the uncircumcized in retaliation for persecutions of Jews in Byzantium, and Khazar reprisals against Muslims for persecutions of Jews in Caucasian Albania, perhaps under Emir Nasr (Kohen 2007, pp. 107–108).
- "If indeed I could learn that this was the case, then, despising all my glory, abandoning my high estate, leaving my family, I would go over mountains and hills, through seas and lands, till I should arrive at the place where my Lord the King resides, that I might see not only his glory and magnificence, and that of his servants and ministers, but also the tranquillity of the Israelites. On beholding this my eyes would brighten, my reins would exult, my lips would pour forth praises to God, who has not withdrawn his favour from his afflicted ones." (Koestler 1977, p. 63; Leviant 2008, pp. 159–162)
- Rabbinic Judaism rather than Qaraism was the form adopted. Small Karaim communities may have existed, but the linguistic and historical evidence suggests that the Turkic-speaking Karaim Jews in Poland and Lithuania, of which one branch also existed in the Crimea, descend from the Khazars. "At most, it is conceivable that the smaller Karaite community which lived in Khazaria gained the Kipchak type Turkic language, that they speak today, through an exchange of language." Khazars probably converted to Rabbinic Judaism, whereas in Karaism only the Torah is accepted, the Talmud being ignored (Róna-Tas 1999, p. 232).
- "At a time when Russia masked imperialist goals by pretending to be the protector of Slavic peoples and the Orthodox faith, Crimean Karism was exercising its own version of cultural imperialism. It is clear that the Crimean Karaites intended to expand their dominion to include Cairo, Jerusalem, and Damascus, basing their pre-eminence on the claim that Karaism, an ancient, pre-Talmudic form of Judaism, had been brought to the Middle East by the Khazars. Such an allegation would, however, have been much more difficult, if not impossible, to maintain.To summarize the Khazar-Karaite nexus commonly accepted in the Russian Empire during the last century: the Khazars, who were of pagan Turkic origin, were supposedly brought to Judaism by Karaites, descendants of Jews who had lived in the Black Sea areas since biblical times and whose Judaism was, therefore, pre-Talmudic and nonrabbinic. As a result, the Khazars' Judaism was Karaite, and later Karaites, who spoken a Turkic language, must have descended from the Khazars, with whom the ancient Jews had assimilated. The circularity of the argument aside, modern historians have concluded that the Khazars were converted by Rabbanite Jews and that they and their descendants observed rabbinic law and traditions. Indeed, recent scholarship has demonstrated that Khazaria was altogether unrepresented in the Karaite literature of the ninth and early tenth centuries, as well as that written during its Golden Age – when Karaism had a militant and missionary influence."
- "Most scholars are sceptical about the hypothesis". Wexler, who proposes a variation on the idea, argues that a combination of three reasons accounts for scholarly aversion to the concept: a desire not to get mixed up in controversy, ideological insecurities, and the incompetence of much earlier work in favour of that hypothesis.
- "Methodologically, Wexler has opened up some new areas, taking elements of folk culture into account. I think that his conclusions have gone well beyond the evidence. Nonetheless, these are themes that should be pursued further." (Golden 2007a, p. 56)
- "Arthur Koestler's book The Thirteenth Tribe which claimed that the converted Khazars were the progenitors of today's Ashkenazi Jews, has been largely rejected by serious scholars. However, the disputed theory that the stereotypical European Jew is descended from an Eastern European nation of Jewish converts, has been sufficiently unwelcome as to render study of the Khazars an area of research largely off limits for Jewish as well as Russian archaeologists, the Russians being unhappy with the prospect that their empire was initially ruled by Jewish kings as the Ashkenazim were that they might not have a genetic connection with the freed slaves who met with God at Sinai." (Mariner 1999, pp. 95–96)
- Kizilov 2014, p. 389 citing Karl Neumann, Die Völker des südlichen Russlands in ihrer geschichtlichen Entwicklung, (1847) 2nd ed. Teubner 1855 pp. 125–126.
- Rossman 2002, p. 98: Abraham Harkavy, O yazykye evreyev, zhivshikh v drevneye vremya na Rusi i o slavianskikh slovakh, vstrechaiuschikhsia u evreiskikh pisatelei, St. Petersburg.
- Barkun 1997, p. 137: Ernest Renan, "Judaism as a Race and as Religion." Delivered on 27 January 1883.
- The source is Maksymilian Ernest Gumplowicz, Początki religii żydowskiej w Polsce, Warsaw: E. Wende i S-ka, 1903 (Polonsky, Basista & Link-Lenczowski 1993, p. 120)
- Goldstein writes "The theory that Eastern European Jews descended from the Khazars was originally proposed by Samuel Weissenberg in an attempt to show that Jews were deeply rooted on Russian soil and that the cradle of Jewish civilization was the Caucasus". Weissenberg's book Die Südrussischen Juden, was published in 1895.
- Schipper's first monograph on this was published in the Almanach Žydowski (Vienna) in 1918. While in the Warsaw ghetto before falling victim to the Holocaust at Majdanek, Schipper (1884–1943) was working on the Khazar hypothesis (Litman 1984, pp. 85–110 ).
- "There were Arab tribes who were Jews in the time of Muhammad, and a Turkic people who were mainly Jews in South Russia in the ninth century. Judaism is indeed the reconstructed political ideal of many shattered peoples-mainly semitic. As a result of these coalescences and assimilations, almost everywhere in the towns throughout the Roman Empire, and far beyond it in the east, Jewish communities traded and flourished, and were kept in touch through the Bible, and through a religious and educational organization. The main part of Jewry never was in Judea and had never come out of Judea." (Wells 1920, p. 570)
- Pasha Glubb held that Russian Jews "have considerably less Middle Eastern blood, consisting largely of pagan Slav proselytes or of Khazar Turks." For Glubb, they were not "descendants of the Judeans ...The Arabs of Palestine are probably more closely related to the Judeans (genetically) than are modern Russian or German Jews.... Of course, an anti-Zionist (as well as an anti-Semitic) point is being made here: The Palestinians have a greater political right to Palestine than the Jews do, as they, not the modern-day Jews, are the true descendants of the land's Jewish inhabitants/owners" (Morris 2003, p. 22).
- First written as an article in 1941 – "The Khazars' Conversion to Judaism", then as a monograph (1943), it was twice revised in 1944, and 1951 as Kazariyah: Toldot mamlacha yehudit be'Eropa (Khazaria: History of a Jewish Kingdom in Europe) Mosad Bialik, Tel Aviv, 1951.
- "Poliak sought the origins of Eastern European Jewry in Khazaria" (Golden 2007a, p. 29).
- "As for the Jews of Eastern Europe (Poles, Russians, etc.), it has always been assumed that they descended from an amalgamation of Jews of Khazar stock from southern Russia and German Jews (the latter having imposed their superior culture)." (Poliakov 2005, p. 285)
- Sand cites Salo Wittmayer Baron, "before and after the Mongol upheaval the Khazars sent many offshoots into the unsubdued Slavonic lands, helping ultimately to build up the great Jewish center of Eastern Europe"; as well as Ben-Zion Dinur: "The Russian conquests did not destroy the Khazar kingdom entirely, but they broke it up and diminished it. And this kingdom, which had absorbed Jewish immigration and refugees from many exiles, must itself have become a diaspora mother, the mother of one of the greatest of the diasporas (Em-galuyot, em akhat hagaluyot hagdolot)-of Israel in Russia, Lithuania and Poland."
- "Salo Baron, who incorrectly viewed them as Finno-Ugrians, believed that the Khazars 'sent many offshoots into the unsubdued Slavonic lands, helping ultimately to build up the great Jewish centers of eastern Europe'" (Golden 2007a, p. 55)
- "dismissed ... rather airily" (Golden 2007a, p. 55).
- "Some limit this denial to European Jews and make use of the theory that the Jews of Europe are not of Israelite descent at all but are the offspring of a tribe of Central Asian Turks converted to Judaism, called the Khazars. This theory, first put forward by an Austrian anthropologist in the early years of this century, is supported by no evidence whatsoever. It has long since been abandoned by all serious scholars in the field, including those in Arab countries, where Khazar theory is little used except in occasional political polemics." Assertions of this kind have been challenged by Paul Wexler who also notes that the arguments on this issue are riven by contrasting ideological investments: "Most writers who have supported the Ashkenazi-Khazar hypothesis have not argued their claims in a convincing manner ... The opponents of the Khazar-Ashkenazi nexus are no less guilty of empty polemics and unconvincing arguments."
- "it is assumed by all historians that those Jewish Khazars who survived the last fateful decades sought and found refuge in the bosom of Jewish communities in the Christian countries to the west, and especially in Russia and Poland, on the one hand, and in the Muslim countries to the east and the south, on the other. Some historians and anthropologists go so far as to consider the modern Jews of East Europe, and more particularly of Poland, the descendants of the medieval Khazars." (Patai & Patai 1989, p. 71)
- "The Khazar theory never figured as a major component of anti-Semitism. The connection receives only scant attention in Léon Poliakov's monumental history of the subject. It did however come to exercise a particular attraction for advocates of immigration restriction in America." (Barkun 1997, pp. 136–137)
- "Although the Khazar theory gets surprisingly little attention in scholarly histories of anti-Semitism, it has been an influential theme among American anti-Semites since the immigration restrictionists of the 1920s" (Barkun 2012, p. 165).
- "By the 1960s, when Christian identity was established as a force on the extreme right, the Khazar ancestry of the Jews was a firm article of faith. Two books, widely read in this milieu, came to exercise a strong influence in this regard. John Beaty's Iron Curtain over America (1951) and Wilmot Robertson's Dispossessed Majority (1972) repeated the Khazar thesis of Stoddard. Christian identity teachings readily seized on this negative reference to Russian Jewry but backdated Jewish intermarriage with the Khazars into biblical times. In A Short History of Esau-Edom in Jewry(1948), the Vancouver writer C.F.Parker had claimed that a tiny remnant of "true Judah" was pitted against a large group of Idumean-Hittites who masqueraded as the true seed of Abraham and sought to expel the descendants of Jacob. These Esau-Hittites are the Ashkenazim, concentrated in Eastern and Central Europe and America." (Goodrick-Clarke 2003, p. 237)
- Beaty was an anti-Semitic, McCarthyite professor of Old English at SMU, author of The Iron Curtain over America (Dallas 1952). According to him, "the Khazar Jews ... were responsible for all of America's – and the world's ills, beginning with World War 1." The book "had little impact" until the former Wall Street broker and oil tycoon J. Russell Maguire promoted it (Boller 1992, pp. 2, 6–7; Barkun 1997, pp. 141–142).
- Wexler 2002, p. 514 has a more detailed bibliography.
- "Arab anti-Semitism might have been expected to be free from the idea of racial odium, since Jews and Arabs are both regarded by race theory as Semites, but the odium is directed, not against the Semitic race, but against the Jews as a historical group. The main idea is that the Jews, racially, are a mongrel community, most of them being not Semites, but of Khazar and European origin." This essay was translated from Harkabi Hebrew text "Arab Antisemitism" in Shmuel Ettinger, Continuity and Discontinuity in Antisemitism, (Hebrew) 1968 (p.50).
- "in the very late 1980s Russian nationalists were fixated on the 'Khazar episode.' For them the Khazar issue seemed to be a crucial one. They treated it as the first historically documented case of the imposition of a foreign yoke on the Slavs, ... In this context the term 'Khazars' became popular as a euphemism for the so-called 'Jewish occupation regime'." (Shnirelman 2007, pp. 353–372)
- "The Khazar king and part of his court allegedly adopted the Jewish religion ... The truth of such a conversion and its extent has been the topic of many discussions, and the topic of vehement disagreements in our age of genomic DNA analyses." (Falk 2017, p. 100)
- "Strong evidence for the Khazarian hypothesis is the clustering of European Jews with the populations that reside on opposite ends of ancient Khazaria: Armenians, Georgians, and Azerbaijani Jews" (Elhaik 2012, pp. 61–74).
- "During Greco-Roman times, recorded mass conversions led to 6 million people practicing Judaism in Roman times or up to 10% of the population of the Roman Empire. Thus, the genetic proximity of these European/Syrian Jewish populations, including Ashkenazi Jews, to each other and to French, Northern Italian, and Sardinian populations favors the idea of non-Semitic Mediterranean ancestry in the formation of the European/Syrian Jewish groups and is incompatible with theories that Ashkenazi Jews are for the most part the direct lineal descendants of converted Khazars or Slavs. The genetic proximity of Ashkenazi Jews to southern European populations has been observed in several other recent studies.. Admixture with local populations, including Khazars and Slavs, may have occurred subsequently during the 1000 year (2nd millennium) history of the European Jews. Based on analysis of Y chromosomal polymorphisms, Hammer estimated that the rate might have been as high as 0.5% per generation or 12.5% cumulatively (a figure derived from Motulsky), although this calculation might have underestimated the influx of European Y chromosomes during the initial formation of European Jewry.15 Notably, up to 50% of Ashkenazi Jewish Y chromosomal haplogroups (E3b, G, J1, and Q) are of Middle Eastern origin, 15 whereas the other prevalent haplogroups (J2, R1a1, R1b) may be representative of the early European admixture.20 The 7.5% prevalence of the R1a1 haplogroup among Ashkenazi Jews has been interpreted as a possible marker for Slavic or Khazar admixture because this haplogroup is very common among Ukrainians (where it was thought to have originated), Russians, and Sorbs, as well as among Central Asian populations, although the admixture may have occurred with Ukrainians, Poles, or Russians, rather than Khazars." (Atzmon & Ostrer 2010, pp. 850–859)
- "The extent to which the Khazars contributed to the Jewish gene-pool, and more specifically to the Ashkenazi ethnic-group(s), has become a charged issue among expert scientists as well as nonprofessionals. National and ethnic prejudices play a central role in the controversy." (Falk 2017, p. 100)
- "if the genome does not prove Sand wrong, neither can it prove him right. It is the wrong kind of evidence and the wrong style of reasoning for the task at hand." "They (researchers) will never be able to prove descent from Khazars: there are no 'verification' samples."
- "Kiev in Khazar is Sambat, the same as the Hungarian word szombat, 'Saturday', which is likely to have been derived from the Khazar Jews living in Kyiv." (Róna-Tas 1999, p. 152)
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- The Kievan Letter scan in the Cambridge University Library collection.
- Resources – Medieval Jewish History – The Khazars The Jewish History Resource Center, Project of the Dinur Center for Research in Jewish History, The Hebrew University of Jerusalem
- Khazar Historic Maps at the Wayback Machine (archived 26 October 2009)
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- Ancient lost capital of the Khazar kingdom found