Year 1151 (MCLI) was a common year starting on Monday of the Julian calendar.
Events
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- 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).
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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)