Notable moments in this conflict include the order "kill them all, because God will know his own" and the excommunication of Raymond VI of Toulouse.
Prior to this conflict, representatives from both of the main sides debated in the Colloquy of Montreal. After this conflict's siege of Bram, 100 prisoners had their noses chopped off and were sent to Cabaret, a castle that formed a defense complex with the adjacent commune of Lastours. Peter II of Aragon met his end in this conflict's Battle of Muret, and the entire population of Beziers was supposedly massacred in this conflict. This conflict was sparked by the murder of Pierre de Castelnau, a papal legate of Innocent III. Notable moments in this conflict include the order "kill them all, because God will know his own" and the excommunication of Raymond VI of Toulouse. For 10 points, identify this war in Languedoc that sought to wipe out a certain religious group of southern France.
Prior to this conflict, representatives from both of the main sides debated in the Colloquy of Montreal.
Albigensian Crusade [or Cathar Crusade]