What Happened in 1143
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- Oct 3 Cardinal Guido elected Pope Coelestinus II
- Oct 5 King Alfonso VII of Leon recognises Portugal as a Kingdom
- Jul 31 Emperor Nijo of Japan (d. 1165)
- Apr 8 John II Komnenos, Emperor of the Byzantine Empire (1118-43), dies in an accident at 55
- Sep 24 Agnes of Germany, daughter of Henry IV, Holy Roman Emperor (b. 1072)
- Sep 24 Innocent II [Gregorio de' Papareschi], Italian Pope (1130-43), dies
- Nov 13 King Fulk of Jerusalem (1131-1143), dies in a hunting accident
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V