Sarnensis Petrus

Petrus Sarnensis was a medieval chronicler known for his work on the Albigensian Crusade, a significant conflict in the early 13th century aimed at eradicating the Cathar heresy in southern France. His notable book, "Histoire de l'hérésie des Albigeois, et de la sainte guerre entreprise contre eux de l'an 1203 à l'an 1218," provides a detailed account of the events surrounding this religious war, reflecting the complexities of faith and power during that era. Sarnensis's writings contribute to our understanding of the historical and theological landscape of medieval Europe.