What Happened in 1155
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- Jun 18 Pope Adrian IV crowns Frederick I Barbarossa Holy Roman Emperor at St Peter's Basilica, Rome
- Feb 28 Henry the Young King, son of Henry II of England (d. 1183)
- May 17 Jien, Japanese poet and historian, born in Kyoto (d. 1225)
- Nov 11 Alfonso VIII the Noble, King of Castile and Toledo (1158-1214), born in Soria, Spain (d. 1214)
- Aug 22 Konoe, Emperor of Japan (b. 1139)
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V