Combat of the Thirty
The Combat of the Thirty (French: Combat des Trente, Breton: Emgann an Tregont), occurring on 26 March 1351, was an episode in the Breton War of Succession fought to determine who would rule the Duchy of Brittany. It was an arranged fight between selected combatants from both sides of the conflict, fought at a site midway between the Breton castles of Josselin and Ploërmel among 30 champions, knights, and squires on each side.