What are the important events that happened on August 21? Here are historical events, facts, and some myths about this day.

August 21: Facts & Myths About This Day

August 21 is the 233^rd 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.

Under the Julian calendar, this day is August 8, 2025 – a Thursday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 29,262,240 minutes has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘dihectatriacontatrigon’ day.

Leo is the zodiac 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.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,626 days since this fabled cataclysmic event.

August 21 Historical Events

• 1680 –
  Pueblo Indians capture Santa Fe from Spanish during the Pueblo Revolt.
• 1810 –
  Jean-Baptiste Bernadotte, Marshal of France, is elected Crown Prince of Sweden by the Swedish Riksdag of the Estates.
• 1888 –
  The first successful adding machine in the United States is patented by William Seward Burroughs.
• 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.
• 1945 –
  Physicist Harry K. Daghlian, Jr. is fatally irradiated in a criticality incident during an experiment with the Demon core at Los Alamos National Laboratory.
• 1961 –
  Motown releases what would be its first #1 hit, “Please Mr. Postman” by The Marvelettes.
• 1969 –
  An Australian, Michael Dennis Rohan, sets the Al-Aqsa Mosque on fire, a major catalyst of the formation of the Organisation of Islamic Cooperation.
• 1982 –
  Lebanese Civil War: The first troops of a multinational force lands in Beirut to oversee the Palestine Liberation Organization’s withdrawal from Lebanon.

Who were born on August 21?

• 1165 –
  King Philip II of France (d. 1223)
• 1813 –
  Jean Stas, Belgian chemist (d. 1891)
• 1869 –
  William Henry Ogilvie, Scottish/Australian poet (d. 1963)
• 1906 –
  Friz Freleng, American movie animator (d. 1995)
• 1918 –
  Billy Reay, Canadian ice hockey player (d. 2004)
• 1924 –
  Chris Schenkel, American sports journalist (d. 2005)
• 1925 –
  Judy Grable, American professional wrestler (d. 2008)
• 1952 –
  Joe Strummer, British musician and singer (The Clash) (d. 2002)
• 1978 –
  Annie Wu, Taiwanese Actress
• 1983 –
  Brody Jenner, American actor

Who died on August 21?

• 1153 –
  Bernard of Clairvaux, French theologian (b. 1090)
• 1763 –
  Charles Wyndham, 2nd Earl of Egremont, British statesman (b. 1710)
• 1854 –
  Thomas Clayton, American lawyer and politician (b. 1777)
• 1960 –
  David Barnard Steinman, American civil engineer and bridge designer (b. 1886)
• 2001 –
  Calum MacKay, Canadian ice hockey player (b. 1927)
• 2003 –
  Kathy Wilkes, English philosopher and aid worker (b. 1946)
• 2005 –
  Dahlia Ravikovitch, Israeli poet (b. 1936)
• 2005 –
  Martin Dillon, American opera singer (b. 1957)
• 2007 –
  Haley Paige, American pornographic actress (b. 1981)
• 2008 –
  Jerry Finn, American record producer (b. 1969)