What Happened in 523 AD
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- Aug 6 Pope Hormisdas reign as Catholic Pope ends with his death
- Aug 13 St John I begins his reign as Catholic Pope
- May 6 Thrasamund, King of Vandals and Alans (496-523)
- Aug 6 Hormisdas, Pope (514-23) reunited Eastern and Western Churches, dies
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V