JUBA, a king of Numidia and Mauritania. He had succeeded his father Hiempsal, and he favoured the cause of Pompey against Julius Cæsar. He defeated Curio whom Cæsar had sent to Africa, and after the battle of Pharsalia he joined his forces to those of Scipio. He was conquered in a battle at Thapsus, and totally abandoned by his subjects. He killed himself with Petreius who had shared his good fortune and his adversity, in the year of Rome 707. His kingdom became a Roman province, of which Sallust was the first governor.