What Happened in 657 AD
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- Jun 2 St Eugene I ends his reign as Catholic Pope
- Jul 26 Battle of Siffin during the first Muslim civil war between Ali ibn Abi Talib and Muawiyah I beside Euphrates River
- Jul 30 St Vitalian begins his reign as Catholic Pope succeeding Eugene I
- Jun 2 Eugene I, Italian Pope (654-7), dies
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V