The Battle of Ridaniya (; ) was fought on January 22, 1517 in Egypt. The Ottoman forces of Selim I defeated the Mamluk forces under Al-Ashraf Tuman bay II. The Turks marched into Cairo, and the severed head of Tuman bay II, Egypt’s last Mamluk Sultan, was hung over an entrance gate in the Al Ghourieh quarter of Cairo. Or, alternatively, he was hung from the gate and buried after three days.