Actually the Muslims Were the Ones on a Crusade

“While the Europeans occupied themselves with hysterical speculative eschatology, the Ottomans expanded their conquests. Sultan Selim called for a renewed Ji’had and added Greece, Macedonia, and the Balkans to his empire. His son, Suleiman, swept into Belgrade in 1521, expelled the Templars from Rhodes in 1522, and conquered Hungary in 1526. Then in 1529 he entered the very heart of Christian Europe, ready to crush the church once and for all . . . His siege of Vienna that winter was in a very real sense Europe’s last stand” (George Grant, The Blood of the Moon, p. 70).