Battle of Chaldıran… The Ottomans by the 9th Sultan Selim I ( Yavuz ) known as Selim the Grim or Selim the Resolute, won a decisive victory over the Ṣafavids Iran at the Battle of Chāldirān The battle of Chāldirān took place on 23 August 1514 and ended with a decisive victory for the Ottoman …