What Happened in 1141
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- Feb 2 Battle of Lincoln: King Stephen captured by forces loyal to Empress Matilda and commanded by Robert, 1st Earl of Gloucester
- Sep 8 Battle of Qatwan [Samarkand]: Seljuqs defeated by a Kara-Khitan army - beginning of the end of the Great Seljuk Empire
- Apr 23 King Malcolm IV of Scotland, nicknamed Virgo "the Maiden" King of Scots (1141 April-May), born in Scotland (d. 1165)
- Feb 11 Hugo of St-Victor, philosopher, theologist and mystic, dies
- Feb 13 Béla II of Hungary (b. 1110)
- Oct 18 Margrave Leopold IV of Austria
- Dec 29 Yue Fei, Chinese general, executed