Mehmed IV Modern Turkish Mehmet (Ottoman Turkish: محمد رابع Meḥmed-i rābi‘; also known as Avcı Mehmed, Mehmed the Hunter; January 2, 1642 – January 6, 1693) was the Sultan of the Ottoman Empire from 1648 to 1687. Taking the throne at age six, his reign was significant as he changed the nature of the Sultan's position forever by giving up most of his executive power to his Grand Vizier.