Yermuk (Moslem Invasion of Syria).
Fought November, 636, between 140,000 Imperial troops, under Manuel, the General of Heraclius, and 50,000 Moslems, under Khaled. The Moslem attack was thrice repulsed, but they returned to the charge, and after a long and sanguinary engagement, drove their opponents from the field with enormous loss. The Moslems lost 4,030 killed.