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Events on Thursday 12 September 1213 2
1178 – 1213Peter II of Aragon (1178-1213)Died 12 September 1213, aged 35Peter II, King of Aragon and Count of Barcelona, led an army to support Raymond VI of Toulouse against the Albigensian Crusaders. He was killed at the Battle of Muret fighting Simon de Montfort's forces. His death left the throne to his five-year-old son, James I.
1213Battle of MuretCrusader victory ends Aragonese intervention in the Albigensian CrusadeSimon de Montfort's crusader army defeated the combined forces of Peter II of Aragon and Raymond VI of Toulouse near Muret in southern France. King Peter II was killed in the fighting, a major blow to resistance against the Albigensian Crusade. The victory consolidated Montfort's control over Toulouse and the Languedoc.