1140s
The 1140s was a decade that began on 1 January 1140, and ended on 31 December 1149. It is distinct from the decade known as the 115th decade which began on January 1, 1141 and ended on December 31, 1150.
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| 2nd millennium |
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Events
- 1142
- End of the reign of Emperor Sutoku, emperor of Japan
- Emperor Konoe becomes Emperor of Japan
- 1143: Celestine II is elected pope.
- 1144: Pope Celestine II is succeeded by Pope Lucius II
- 1146: Saint Bernard of Clairvaux preaches the Second Crusade at Vezelay, Burgundy
- 1145–1147: Second Crusade. Crusaders capture Lisbon from Muslims