The District of Columbia was established as the seat of the United States government.
Russia's Czar Nicholas II and his family were executed by the Bolsheviks.
The first parking meters were installed in Oklahoma City.
The first atomic bomb was tested in Alamogordo, N.M.
J. D. Salinger's novel Catcher in the Rye was published.
Apollo 11 took off on the first manned flight to the moon.
Saddam Hussein became president of Iraq.
John F. Kennedy, Jr., his wife Carolyn Bessette, and her sister Lauren, died in a plane crash near Martha's Vineyard, Massachusetts.