Amru, Ben-al-as, a celebrated Arab warrior, born about 600 A.D. He was at first a vehement opponent of Mahomet, but presently became one of his most ardent disciples. His military achievements, under the Caliph Omar, included the conquest of Syria, Egypt, Nubia, and Libya as far as Tripolis. He reduced Alexandria in 642. Othman, Omar's successor, deprived Amru of his governorship in Egypt, whereupon the latter espoused the cause of Mohavia, whom he placed on the throne. He died in 663.