About August 21
August 21, 2025 is the 233rd day of the year 2025 in the Gregorian calendar. There are 132 days remaining until the end of this year. The day of the week is Thursday.
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Leo is the sun sign of a person born on this day. Peridot is the modern birthstone for this month. Diamond is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 180 days remaining before the start of the next Chinese New Year.
What Happened On August 21
- 1689 –The Battle of Dunkeld in Scotland.
- 1778 –American Revolutionary War: British forces begin besieging the French outpost at Pondicherry.
- 1808 –Battle of Vimeiro: British and Portuguese forces led by General Arthur Wellesley defeat French force under Major-General Jean-Andoche Junot near the village of Vimeiro, Portugal, the first Anglo-Portuguese victory of the Peninsular War.
- 1810 –Jean-Baptiste Bernadotte, Marshal of France, is elected Crown Prince of Sweden by the Swedish Riksdag of the Estates.
- 1831 –Nat Turner leads black slaves and free blacks in a rebellion.
- 1852 –Tlingit Indians destroy Fort Selkirk, Yukon Territory.
- 1863 –Lawrence, Kansas is destroyed by Confederate guerrillas Quantrill’s Raiders in the Lawrence Massacre.
- 1942 –World War II: a Nazi flag is installed atop the Mount Elbrus.
- 1944 –Dumbarton Oaks Conference, prelude to the United Nations, begins.
- 1944 –World War II: Canadian and Polish units capture the strategically important town of Falaise, France.
- 1961 –Motown releases what would be its first #1 hit, “Please Mr. Postman” by The Marvelettes.
- 1968 –James Anderson, Jr. posthumously receives the first Medal of Honor to be awarded to an African American U.S. Marine.
- 1976 –Operation Paul Bunyan at Panmunjeom, Korea.
- 1979 –Soviet dancer Alexander Godunov defects to the United States.
- 1982 –Lebanese Civil War: The first troops of a multinational force lands in Beirut to oversee the Palestine Liberation Organization’s withdrawal from Lebanon.
- 1983 –Philippine opposition leader Benigno Aquino, Jr. is assassinated at the Manila International Airport (now renamed Ninoy Aquino International Airport).
- 1986 –Carbon dioxide gas erupts from volcanic Lake Nyos in Cameroon, killing up to 1,800 people within a 20-kilometer range.
- 1991 –Coup attempt against Mikhail Gorbachev collapses.
- 1991 –Latvia declares renewal of its full independence after the occupation of Soviet Union.
- 2001 –NATO decides to send a peace-keeping force to the former Yugoslav Republic of Macedonia.
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