Important Historical Events of the year 813, Year 813 in History

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List of 813 Major News Events in History, Most Important Historical Events in 813

What happened in the year 813?

Date	Event
June 22, 813	Battle of Versinikia: The Bulgars led by Krum defeat the Byzantine army near Edirne. Emperor Michael I is forced to abdicate in favor of Leo V the Armenian.
July 11, 813	Byzantine emperor Michael I, under threat by conspiracies, abdicates in favor of his general Leo the Armenian, and becomes a monk (under the name Athanasius).