1151

Year 1151 (MCLI) was a common year starting on Monday (link will display the full calendar) of the Julian calendar.

Events

 * September 7 – Geoffrey of Anjou dies, and is succeeded by his son Henry, aged 18.
 * After the Battle of Ghazni, the city is burned by the Prince of Ghur.
 * The first plague and fire insurance policy is issued in Iceland.
 * Bolton Abbey is founded in North Yorkshire, England.
 * Anping Bridge is completed in China's Fujian province. Its total length will not be exceeded until 1846.
 * Confronted with internal strife, the commune of Bologna is the first Italian republic to turn to the rule of a podestà, Guido di Ranieri da Sasso (it ends in 1155).

Births

 * April 3 – Igor Svyatoslavich, Russian prince (d. 1202)
 * May 9 – al-Adid, last Fatimid caliph (d. 1171)
 * Unkei, Japanese sculptor (d. 1223)

Deaths

 * January 13 – Abbot Suger, French statesman and historian (b. c. 1081)
 * April 23 – Adeliza of Louvain, queen of Henry I of England (b. 1103)
 * September 7 – Geoffrey V, Count of Anjou (b. 1113)
 * Li Qingzhao, Chinese poet (b. 1084)