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|Ab urbe condita||1894|
|Balinese saka calendar||1062–1063|
|English Regnal year||6 Ste. 1 – 7 Ste. 1|
|Chinese calendar||庚申年 (Metal Monkey)|
3837 or 3777
— to —
辛酉年 (Metal Rooster)
3838 or 3778
|- Vikram Samvat||1197–1198|
|- Shaka Samvat||1062–1063|
|- Kali Yuga||4241–4242|
|Japanese calendar||Hōen 7 / Eiji 1|
|Minguo calendar||771 before ROC|
|Seleucid era||1452/1453 AG|
|Thai solar calendar||1683–1684|
1267 or 886 or 114
— to —
1268 or 887 or 115
|Wikimedia Commons has media related to 1141.|
- February 2 – The Anarchy in the Kingdom of England – Battle of Lincoln: Robert, 1st Earl of Gloucester and Empress Matilda wrest control of the throne of England from King Stephen.
- February 13 – Géza II is crowned King of Hungary and Croatia at age 11, succeeding his father.
- May 14 – Sephardi Jewish philosopher Judah Halevi sets off from Alexandria, on a pilgrimage to Palestine.
- September 9 – Battle of Qatwan: Liao Dynasty general Yelü Dashi, founder of the Kara-Khitan Khanate, defeats the Seljuk Empire and Kara-Khanid forces.
- September 14 – The Anarchy in the Kingdom of England – Rout of Winchester: Empress Matilda returns to the throne, after Robert is captured by loyalist forces.
- November 1 – The Anarchy in the Kingdom of England – Robert, 1st Earl of Gloucester is exchanged by Empress Matilda for King Stephen, who reassumes the throne of England.
- November – The Jin Dynasty and Southern Song Dynasty sign the Treaty of Shaoxing, and peace in the Jin–Song Wars lasts for the next twenty years. The Huai River is established as the boundary between them.
- The first German colonists (the future Transylvanian Saxon community) arrive in Transylvania, following grants by Andrew II of Hungary. The colonization process is completed in 1162.
- The Italian winemaking company Ricasoli is founded.
- Malcolm IV, King of Scotland (d. 1165)
- Constance of Castile, Queen of France (d. 1160)
- Nizami Ganjavi, Persian poet (d. 1209)
- February 11 – Hugh of Saint Victor, Saxon philosopher, theologian and mystic (b. c. 1078)
- February 13 – Béla II, King of Hungary and Croatia (b. c. 1109)
- April 12 or April 13 – Engelbert, Duke of Carinthia
- May – Aubrey de Vere II, Lord Great Chamberlain of England (b. 1062)
- June 10 – Richenza of Northeim, German empress (b. c. 1087/89)
- October 18 – Leopold, Duke of Bavaria (b. c. 1108)
- Sheikh Ahmad-e Jami, Persian Sufi writer, mystic and poet (b. 1048)
- Judah Halevi, Sephardi Jewish philosopher and poet (b. c. 1075)
- Alberich of Reims, Archbishop of Bourges (b. 1085)