Combat of the Thirty

Overview

The Combat of the Thirty, 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. The challenge was issued by Jean de Beaumanoir, a captain of Charles of Blois supported by King Philip VI of France, to Robert Bemborough, a captain of Jean de Montfort supported by Edward III of England.

Overview adapted from Wikipedia, licensed under CC BY-SA 4.0.

Significance

The Combat of the Thirty was an arranged engagement within the War of the Breton Succession, the dynastic conflict over control of the Duchy of Brittany between the houses of Blois and Montfort, backed respectively by France and England. Rather than a conventional pitched battle, it took the form of a formal challenge: Jean de Beaumanoir, fighting for Charles of Blois, issued a challenge to Robert Bemborough, captain for Jean de Montfort, and both sides selected thirty champions, knights, and squires to meet at a site midway between the castles of Josselin and Ploërmel. The episode reflects the degree to which the Breton conflict, itself a subsidiary theater of the broader Anglo-French rivalry, retained chivalric conventions even amid extended military campaigning. As a deliberate, bounded contest chosen by commanders on each side, it stood apart from the operational conduct of the war while remaining rooted in its factional alignment — Blois-France against Montfort-England — that defined the succession struggle from 1341 onward.

Tactics

Commanders (2)