The Battle of Auray (29 September 1364) at the Breton-French town of Auray was the decisive confrontation of the Breton War of Succession, a part of the Hundred Years' War.
In the battle, which began as a siege, a Breton army, led by Duke John de Montfort, assisted by English forces commanded by John Chandos, opposed a Breton army led by his rival Charles of Blois and assisted by French forces led by Bertrand du Guesclin.
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