- 622 16 Jul The Muslim era begins from the first day of the lunar year of Mohammed's flight from Mecca ('hegira').
- 1918 16 Jul Tzar Nicholas II of Russia and his family are killed by a Bolshevik firing squad at Ekaterinburg, Siberia.
- 1945 16 Jul The world's first atomic weapon is tested by the US at Alamogordo Air Base in Los Alamos, New Mexico.

