Events

• Baalbeck taken by Genghis Khan
• House of Brandenburg begins when Albrecht the Bear is made head of the Nordmark
• St. Stephen Harding becomes abbott of Citeaux Abbey
• Cormac's Chapel consecrated
• Cathedral of St Petri in Schleswig completed
• Pontifical University of Salamanca started in Castile
• Hugh II of Le Puiset, Count of Jaffa, revolts against Fulk, King of Jerusalem.

Births

• King Sverker I of Sweden

Deaths

• September - Alfonso I of Aragon
• March 28 - Saint Stephen Harding, one founder of the Cistercian Order.
• John IX Agapetus - Patriarch of Constantinople
• Niels of Denmark
• Robert Curthose, Duke of Normandy
• Hugh II of Le Puiset