1151

Events 
 September 7 — Geoffrey of Anjou dies, and is replaced by his son Henry who is 18 years old. 
 The first plague and fire insurance policy is issued in Iceland

 Births 
 April 3 — Igor Svyatoslavich, Russian prince (d. 1202)
 Unkei, Japanese sculptor (d. 1223)

 Deaths 
 January 13 — Abbot Suger, French statesman and historian (b. c. 1081)
 April 23 — Adeliza of Leuven, queen of Henry I of England (b. 1103)
 September 7 — Geoffrey V, Count of Anjou (b. 1113)