What Happened in 1058
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- Apr 5 Bishop Giovanni "Minchus" ["the thin"] elected as Anti-Pope Benedict X
- Mar 17 King Lulach I of Scotland
- Mar 29 Stephen IX [Frederik van Lotharingen], 1st Belgium Pope (1057-58), dies
- Nov 28 Casimir I the Restorer, Polish nobleman (Duke of Poland, 1034-58), dies at 42
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List of Years
Henry IV