Answer
Qutuz fought against the Crusaders during the Seventh Crusade. The Seventh Crusade was a failed attempt by European Christians to recapture Jerusalem from the Muslims. Qutuz was the leader of the Mamluks, a group of Turkic slaves who had risen to power in Egypt. He was able to defeat the Crusaders at the Battle of Ain Jalut in 1260, which marked the end of the Crusades.