Arnaud Amalric, Papal legate who allegedly promoted mass murder

Arnaud Amalric, also known as Arnaud Amaury, was a Cistercian abbot who played a prominent role in the Albigensian Crusade. It is purported that prior to the massacre of Béziers, Amalric, when asked how to distinguish Cathars from Catholics, responded, "Kill them [all], for God knows which are His own."

September 29 is the 272nd day of the year in the Gregorian calendar; 93 days remain until the end of the year.