Inspiration4, the first private orbital crewed spaceflight, is launched from the Kennedy Space Center.
Papua New Guinea gains independence from Australia.
Cape Verde, Mozambique, and São Tomé and Príncipe join the United Nations.
The first prototype of the Mikoyan MiG-31 interceptor makes its maiden flight.
The first successful photocopier, the Xerox 914, is introduced in a demonstration on live television from New York City.
TCN-9 Sydney is the first Australian television station to commence regular broadcasts.
The military coup to unseat President Juan Perón of Argentina is launched at midnight.
A Soviet Zulu-class submarine becomes the first to launch a ballistic missile.
World War II: The Japanese occupation of Hong Kong comes to an end.
World War II: The German Tenth Army reports that it can no longer contain the Allied bridgehead around Salerno.
World War II: Italian troops conquer Sidi Barrani.
World War I: The Siege of Przemyśl (present-day Poland) begins.
The Cornell Daily Sun prints its first issue in Ithaca, New York.
Robert College, in Istanbul, the first American educational institution outside the United States, is founded by Christopher Robert, an American philanthropist.
With the Grito de Dolores, Father Miguel Hidalgo begins Mexico's fight for independence from Spain.
American Revolutionary War: The Franco-American Siege of Savannah begins.
American Revolutionary War: The Battle of Harlem Heights is fought.