What Happened in 1309
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- Mar 27 Pope Clement V excommunicates Venice and all its population.
- Jul 26 Henry VII is recognized King of the Romans by Pope Clement V
- Apr 30 Casimir III the Great, King of Poland (1333-70), born in Kowal, Poland (d. 1370)
- May 5 Charles II, the Lame, King of Naples (1285-1309), dies
- Jul 13 Jan I van Nassau, bishop of Utrecht, dies
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List of Years