1150

Events 
 Åhus, Sweden gains city privileges
 City of Airdrie, Scotland founded
 King Sverker I of Sweden deposed and succeeded by Eric IX of Sweden
 Albrecht the Bear inhabits Brandenburg
 Peter the Lombard publishes Sentences
 University of Paris, now known as the Sorbonne, founded
 During Crusades, city of Ashkelon fortified with 53 towers by Fatimid rulers
 Earl of Bedford created
 Cubbie Roo's Castle built on Wyre, Orkney
 Mersey Ferry begins running between Liverpool and Birkenhead
 Neuruppin city founded in Brandenburg, Germany
 Rinteln city founded in Lower Saxony, Germany
 Middle Dutch begins to be spoken in what is now Benelux
 Joscelin II of Edessa taken prisoner during Second Crusade
 Tuam promoted to a Metropolitan Archdiocese, Ireland
 Earliest textual reference made to Gypsies working as musicians (in Constantinople)
 Castle Rising built in Norfolk, England by William d'Aubigny, 1st Earl of Arundel
 Garcia IV Ramirez ends reign as King of Navarre
 Bishopric of Aberdeen established
 Christian Malone writes Irish Chronology Chronicum Scotorum
 Christchurch Priory founded

 Births 
 Leo II of Armenia (d. 1229).
 William de Braose, 4th Lord of Bramber (approximate date; d. 1211).
 Rosamund Clifford, mistress of Henry II of England (approximate date; d. 1176).
 Alix of France, daughter of Louis VII of France (d. 1198).
 Saxo Grammaticus, Danish historian (d. 1220).
 Baldwin V, Count of Hainaut (d. 1195).
 Stephen Langton, Archbishop of Canterbury (approximate date; d. 1228).
 Beatrice, Countess of Dia.

 Deaths 
 Emperor Xizong of Jin, the third ruler of the Jurchen Jin Dynasty
 Suryavarman II, Khmer king, builder of Angkor Wat
 Barisan of Ibelin, figure in the crusader kingdom of Jerusalem
 Pribislav of Brandenburg, last king of the Hevelli (b. c. 1075)