What Happened in 491 AD
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- Apr 11 Flavius Anastasius becomes Byzantine Emperor, as Anastasius I - often called the first Byzantine Emperor
- Apr 9 Zeno, Eastern Roman Emperor (474-75, 476-91), dies at 66
- May 20 New Byzantine Emperor Anastasius I Dicorus marries Ariadne, widow of previous Emperor Zeno and daughter of Leo I
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List of Years
Gregory I
Gregory XIII
Julius II
Julius III
Leo X
Pius V