Battle of Auray

The Battle of Auray was a 1364 battle in the Breton War of Succession in which John IV’s Anglo-Breton forces defeated and killed Charles of Blois.

John IV, Duke of Brittany: John IV was Duke of Brittany and the victorious claimant in the Breton War of Succession. He led the Anglo-Breton side that won at Auray and secured his claim.
John of Montfort: John of Montfort was a Breton nobleman whose claim to the duchy initiated the succession dispute. His claim passed to his son John IV, whose forces fought at Auray.
Duchy of Brittany: The Duchy of Brittany was a medieval polity in northwestern France ruled by hereditary dukes. The battle determined which dynasty would govern the duchy.
John Chandos: John Chandos was an English knight and commander who served in the Hundred Years’ War. He was among the English leaders supporting John IV at Auray.
Charles of Blois: Charles of Blois was a claimant to the Duchy of Brittany during the Breton War of Succession. His defeat and death at Auray ended his bid for the duchy.
Joanna of Flanders: Joanna of Flanders was the wife of John of Montfort and a leader of his cause during his captivity. She sustained the Montfort claim that John IV later won at Auray.
Montfort dynasty: The Montfort dynasty was the ruling house of Brittany established by John IV after the succession war. Victory at Auray secured its eventual recognition as Brittany’s ruling dynasty.
Olivier de Clisson: Olivier de Clisson was a Breton nobleman and military leader active in the succession war. He fought for Charles of Blois at Auray and later became a leading Breton magnate.
Breton War of Succession: The Breton War of Succession was a dynastic conflict over the duchy of Brittany from 1341 to 1364. Auray was the conflict’s decisive final battle.
Joan of Penthièvre: Joan of Penthièvre was a Breton heiress whose claim to Brittany was advanced by her husband, Charles of Blois. Her dynastic claim formed the rival basis for Charles’s campaign.

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War of the Breton SuccessionBroader topic: The battle decided the military contest in Montfort's favor.