 Complete the following phrase:  Under Sultan Selim I 1512-1520, the Ottomans defeated the Safavids in the Battle of Chaldiran 1514. His successor, Suleiman the Magnificent 1520-1566, the Ottoman Empire marked the peak of its power and prosperity as well as the highest development of its government, social, and economic systems. Already controlling the Balkans, it was able to invade Hungary and win in the Battle of Mohács 1526. However, further advancement failed after the Siege of Vienna 1529. Following naval victories in the Battle of Preveza 1538 and the 