The Battle of La Forbie, also known as the Battle of Harbiyah, was fought October 17, 1244 – October 18, 1244 between the allied armies (drawn from the Kingdom of Jerusalem, the crusading orders, the breakaway Ayyubids of Damascus, Homs and Kerak) and the Egyptian army of the Ayyubid Sultan as-Salih Ayyub, reinforced with Khwarezmian mercenaries.