The Albigensian Crusade: A Dark Chapter in Medieval Europe

TLDRThe Albigensian Crusade was a violent campaign by the Catholic Church to eradicate the Cathars, a group deemed heretical. The Cathars held dualistic beliefs and rejected many Catholic doctrines. They flourished in southern France and were seen as a threat to the Catholic Church's authority. The crusade resulted in the suppression and persecution of the Cathars.