From Infogalactic: the planetary knowledge core
|Centuries:||11th century – 12th century – 13th century|
|Decades:||1110s 1120s 1130s – 1140s – 1150s 1160s 1170s|
|Years:||1138 1139 1140 – 1141 – 1142 1143 1144|
|1141 by topic|
|State leaders – Sovereign states|
|Birth and death categories|
|Births – Deaths|
|Establishments and disestablishments categories|
|Establishments – Disestablishments|
|Art and literature|
|1141 in poetry|
|Ab urbe condita||1894|
|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||1063–1064|
|- Kali Yuga||4242–4243|
|Japanese calendar||Hōen 7 / Eiji 1
|Minguo calendar||771 before ROC
|Seleucid era||1452/1453 AG|
|Thai solar calendar||1683–1684|
|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 in succession to his father.
- May 14 – Sephardi Jewish philosopher Judah Halevi sets off from Alexandria on a pilgrimage to Palestine.
- September 9 – Liao dynasty general Yelü Dashi, founder of the Kara-Khitan Khanate, defeats the Seljuk Empire and Kara-Khanid forces at the Battle of Qatwan.
- 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.
- Between April 23 and May 24 (probable date) – Malcolm IV, King of Scotland (d. 1165)
- Approximate date
- 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 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)
- August 5 – Sheikh Ahmad-e Jami, Persian Sufi writer, mystic and poet (b. 1048)
- Summer – Judah Halevi, Sephardi Jewish philosopher and poet (b. c. 1075)
- Undated – Alberich of Reims, Archbishop of Bourges (b. 1085)