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Frederick I
(c. 1122—1190) king of Germany and Holy Roman emperor 1152–90
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(c. 1123–90)
King of Germany and Holy Roman emperor (1152–90). He made a sustained attempt to subdue Italy and the papacy, but was eventually defeated at the Battle of Legnano in 1176. He was drowned in Asia Minor while on his way to the Third Crusade.