The Normans defeated the Byzantine Empire in the Battle of Dyrrhachium.
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During the Battle of Princeton, British forces were defeated in New Jersey by George Washington's revolutionary army.
The Battle of Grunwald began.
Adolf Hitler's German military attacked Moscow.
As part of the War of the Roses in England, the Battle of Edgcote took place.
William the Conqueror defeated English forces at The Battle of Hastings.