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"Contra Haereticos Accingantur": The Union Of Crusading And Anti-Heresy Propaganda, Bryan E. Peterson

UNF Graduate Theses and Dissertations

This study assesses the intersection of crusading and heresy repression in the late twelfth and early thirteenth centuries. The event that encapsulates this intersection was the Albigensian Crusade, a two-decades long conflict that befell the south of France, or Occitania. The papacy, aligned with northern lords and other willing Christians, took up arms to defend the Church from the Cathar heresy’s corrupting influence. This conflict marked a new development in Christian acts of violence. While the Church had crusaded against many different enemies—even branding some as heretics—before 1209, the Church had never called a crusade for the explicit purpose of …