History of the Day for:
- 1498: Christopher Columbus discovered Trinidad on his third voyage to the New World.
- 1588: The English defeated the Spanish Armada.
- 1774: Joseph Priestley discovered oxygen.
- 1777: French nobleman Marquis de Lafayette was made a major-general in the Continental Army.
- 1792: The cornerstone was laid for the first U.S. government building - the U.S. Mint in Philadelphia.
- 1813: The British invaded Plattsburgh, N.Y.
- 1849: Benjamin Chambers patented the breech loading cannon.
- 1864: Ulysses S. Grant was named General of Volunteers.
- 1876: The Coast Guard officers' training school was established in New Bedford, Mass.
- 1932: The George Washington quarter went into circulation.
- 1953: The federal government created the Department of Health, Education & Welfare.
- 1971: Astronauts David Scott and James Irwin went for the first moon drive in their Lunar Roving Vehicle.
- 1991: President Bush and Soviet President Mikhail S. Gorbachev signed the Strategic Arms Reduction Treaty; the Senate voted to allow women to fly combat aircraft.
- 1992: A Thai Airways Airbus A300-310 crashes into a mountain north of Kathmandu, Nepal killing 113.
- 1999: Discovery Program: Lunar Prospector – NASA intentionally crashes the spacecraft into the Moon, thus ending its mission to detect frozen water on the moon's surface.
- 2006: Fidel Castro hands over power temporarily to brother Raúl Castro.
- 2007: Operation Banner, the presence of the British Army in Northern Ireland, and the longest-running British Army operation ever, comes to an end.