Selim I (; ; 10 October 1470 – 22 September 1520), known as Selim the Grim or Selim the Resolute (), was the Sultan of the Ottoman Empire from 1512 to 1520. Despite lasting only eight years, his reign is notable for the enormous expansion of the Empire, particularly his conquest between 1516 and 1517 of the entire Mamluk Sultanate of Egypt, which included all of the Levant, Hejaz, Tihamah, and Egypt itself. On the eve of his death in 1520, the Ottoman Empire spanned about , having grown by seventy percent during Selim's reign.