What Happened in 1151
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- Apr 3 Igor Svyatoslavich, Ukrainian prince (d. 1202)
- Jan 13 Abbot Suger, French abbot who built St Denis, statesman and historian (b. 1081)
- Apr 23 Queen Adeliza of England, 2nd wife of Henry I (b. 1103)
- Sep 7 Geoffrey Plantagenet, Count of Anjou, conquered Normandy, dies at 38
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V