The Battle of Muret took place on September 12, 1213, during the Albigensian Crusade. It was fought between the forces of the Kingdom of France, led by Simon de Montfort, and the troops of the Count of Toulouse, Raymond VI. The battle was significant in the struggle against the Cathar heresy in southern France. The French forces achieved a decisive victory, which solidified Simon de Montfort's control over the region. This battle marked a turning point in the Albigensian Crusade, leading to increased French influence in the area and the eventual decline of the Cathar movement.