What Happened in 1186
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- May 18 Konstantin Vsevolodovich, Prince of Novgorod, born in Rostov, Russia (d. 1218)
- Aug 19 Geoffrey II, Duke of Brittany (b. 1158)
- Jan 27 Henry VI, the son and heir of the Holy Roman Emperor Frederick I Barbarossa, weds Constance of Sicily
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List of Years