Major Events
- May 15 King John of England names Stephen Langton as Archbishop of Canterbury
- Sep 11 Chinese general Chih-Chung assassinates Emperor Wei Shao Wang (former Prince of Wei) in Peking and proclaims himself Regent
- Sep 12 Battle at Muret: Crusade of Simon de Montfort beat Pedro II of Aragon
- Oct 13 Battle of Steppes: Hugh Pierrepont, Bishop of Liège & Louis II, Count of Loon defeat Henry I, Duke of Brabant
Born in 1213
- Mar 9 Hugh IV, Duke of Burgundy, French crusader, born in Villaines-en-Duesmois, France (d. 1271)
- Jun 10 Fakhr-al-Din Iraqi, Persian philosopher, born in Hamedan, Iran (d. 1289)
Who Died in 1213
- Jan 18 Tamar of Georgia, Queen of Georgia (1184-1213) presided over Gerogia's Golden Age, dies
- Feb 22 Wibert of Gembloers, benediction/writer/abbot of Gembloers, dies
- Sep 12 Pedro II [el Catolico], King of Aragon, dies in battle
- Sep 24 Gertrude of Merania, wife of Andrew II of Hungary (murdered) (b. 1185)
- Dec 17 John of Matha, French Christian saint and founder of the Order of the Most Holy Trinity dedicated to ransoming Christians captured by North African marauders, dies at 53
Genghis Khan