Wikipedia:Selected anniversaries/July 16
On July 16:
- 622 - Beginning of the Islamic calendar.
- 1918 - Russian Revolution: Bolsheviks executed Czar Nicholas II of Russia and his family at Ekaterinburg.
- 1945 - Manhattan Project: The Atomic Age began with the detonation of a plutonium-based test nuclear weapon at the Trinity site near Alamogordo, New Mexico.
- 1979 - Saddam Hussein took over as Iraqi President.
- 1994 - The planet Jupiter is hit by fragments of the Shoemaker-Levy 9 comet.