447 - The Walls of Constantinople are severely damaged by an earthquake, destroying large parts of the wall, including 57 towers.
1888 - National Geographic Society: is founded in Washington, D.C.
1967 - Apollo 1; Astronauts Gus Grissom, Edward White and Roger Chaffee are killed in a fire during a test of their Apollo 1 spacecraft at the Kennedy Space Center, Florida.
1967 - Outer Space Treaty: The United States, United Kingdom and Soviet Union sign the Outer Space Treaty in Washington, D.C. banning deployment of nuclear weapons in space, and limiting use of the Moon and other celestial bodies to peaceful purposes.
1983 - The pilot shaft of the Seikan Tunnel, the world's longest sub-aqueous tunnel (53.85 km) between the Japanese islands of Honshū and Hokkaidō breaks through.
