1494-1566. Ottoman sultan from 1520, known as the Magnificent and the Lawgiver. Under his rule, the Ottoman Empire flourished and reached its largest extent. He made conquests in the Balkans, the Mediterranean, Persia, and N Africa, but was defeated at Vienna in 1529 and Valletta (on Malta) in 1565. He was a patron of the arts, a poet, and an administrator. Suleiman captured Belgrade (now in Yugoslavia) in 1521, the Mediterranean island of Rhodes in 1522, defeated the Hungarians at Mohacs in 1526, and was halted in his advance into Europe only by his failure to take Vienna, capital of the Austro-Hungarian Empire, after a siege Sept-Oct 1529. In 1534 he turned more successfully against Persia, and then in campaigns against the Arab world took almost all of N Africa and the Red Sea port of Aden. Only the Knights of Malta inflicted severe defeat on both his army and fleet when he tried to take Valletta in 1565.