|Ab urbe condita||1864|
|Balinese saka calendar||1032–1033|
|English Regnal year||11 Hen. 1 – 12 Hen. 1|
|Chinese calendar||庚寅年 (Metal Tiger)|
3807 or 3747
— to —
辛卯年 (Metal Rabbit)
3808 or 3748
|- Vikram Samvat||1167–1168|
|- Shaka Samvat||1032–1033|
|- Kali Yuga||4211–4212|
|Japanese calendar||Ten'ei 2|
|Minguo calendar||801 before ROC|
|Seleucid era||1422/1423 AG|
|Thai solar calendar||1653–1654|
1237 or 856 or 84
— to —
1238 or 857 or 85
|Wikimedia Commons has media related to 1111.|
- Battle of Shaizar: Crusaders and Seljuk Turks fight to a draw in Syria.
- The Donglin Academy is established, in Song Dynasty China.
- April 13 – Henry V is crowned Holy Roman Emperor, by Pope Paschal II.
- May 24 – The Commune of Laus is destroyed by Milanese troops.
- Baldwin VII becomes Count of Flanders.
- Santarém and Sintra are captured by the Almoravid troops of General Sir ibn Abi Bakr. The efforts of the Berbers to reconquer lost ground lead to the sack of Coimbra. That same year the city experienced the sole urban rebellion against their lord to take place in Portugal.
- Alfonso VII becomes King of Galicia.
- Domnall Ua Briain becomes King of the Hebrides and the Isle of Man, following a request from the people of that kingdom to the King of Munster, to send them a ruler.
- The Synod of Rathbreasail marks the transition of the Irish church, from a monastic to a diocesan structure.
- Agnes of Babenberg, High Duchess consort of Poland, daughter of Leopold III (d. 1157)
- Andrei Bogolyubsky, prince of Vladimir-Suzdal (after 1157) (d. 1174)
- Josceline de Bohon, English religious leader (d. 1184)
- February 22 – Roger Borsa, King of Sicily (b. 1078)
- March 3 – Prince Bohemond I of Antioch (b. 1058)
- April 17 – Robert of Molesme, Christian saint and abbot (b. 1027)
- September 27 – Vekenega, Croatian Benedictine abbess
- October 5 – Robert II, Count of Flanders (b. 1065)
- October 7 – Anna Polovetskaya, Kievan princess
- October 26 – Gómez González, Castilian nobleman and military leader
- December 19 ��� Abu Hamid Muhammad ibn Muhammad al-Ghazali, Persian theologian (b. 1058)
- Cadwgan ap Bleddyn, Welsh prince of Powys
- Iorwerth ap Bleddyn, Welsh prince of Powys
- Felicia Cornaro, Venetian dogaressa
- Richard II of Gaeta, consul and duke of Gaeta
- Otto II, Count of Habsburg
- Antipope Sylvester IV
- Picard, Christophe (2000). Le Portugal musulman (VIIIe-XIIIe siècle. L'Occident d'al-Andalus sous domination islamique. Paris: Maisonneuve & Larose. p. 109. ISBN 2-7068-1398-9.
- de Oliveira Marques, António Henrique (1998). Histoire du Portugal et de son empire colonial. Paris: Karthala. p. 44. ISBN 2-86537-844-6.
- Moody, T. W.; Martin, F. X., eds. (1967). The Course of Irish History. Cork: Mercier Press. p. 116.