What are the important events that happened on September 21? Here are historical events, facts, and some myths about this day.
September 21: Facts & Myths About This Day
September 21 is the 264th day of the year 2025 in the Gregorian calendar. There are 101 days remaining until the end of this year. The day of the week is Sunday.
Under the Julian calendar, this day is September 8, 2025 – a Sunday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?
When this day started, 29,306,880 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 ‘dihectahexacontatetragon’ day.
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Virgo is the zodiac sign of a person born on this day. Sapphire is the modern birthstone for this month. Agate is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 149 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 4,657 days since this fabled cataclysmic event.
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September 21 Historical Events
- 1217 –Livonian Crusade: The Estonian tribal leader Lembitu and Livonian leader Kaupo are killed in Battle of St. Matthew’s Day.
- 1780 –American Revolutionary War: Benedict Arnold gives the British the plans to West Point.
- 1896 –British force under Horatio Kitchener takes Dongola in the Sudan.
- 1897 –The “Yes, Virginia, there is a Santa Claus” editorial is published in the New York Sun.
- 1938 –The Great Hurricane of 1938 makes landfall on Long Island in New York. The death toll is estimated at 500-700 people.
- 1939 –Romanian Prime Minister Armand Calinescu is assassinated by ultranationalist members of the Iron Guard.
- 1976 –Orlando Letelier is assassinated in Washington, D.C. He is a member of the Chilean socialist government of Salvador Allende, overthrown in 1973 by Augusto Pinochet.
- 1976 –Seychelles joins the United Nations.
- 1991 –Armenia is granted independence from Soviet Union.
- 1993 –Russian President Boris Yeltsin suspends parliament and scraps the then-functioning constitution, thus triggering the Russian constitutional crisis of 1993.
Who were born on September 21?
- 1903 –Preston Tucker, American automobile designer (d. 1956)
- 1905 –Robert Lebel, French Canadian ice hockey executive (d. 1999)
- 1914 –Slam Stewart, African American jazz bass player (d. 1987)
- 1929 –Shafi Hadi, American jazz tenor and alto saxophonist
- 1940 –Bill Kurtis, American television journalist
- 1940 –Hermann Knoflacher, Austrian civil engineer
- 1947 –Don Felder, American guitarist (Eagles)
- 1952 –Anneliese Michel, German exorcism victim (d. 1976)
- 1962 –Rob Morrow, American actor
- 1985 –Maryam Hassouni, Dutch actress
Who died on September 21?
- 1217 –Caupo of Turaida, Livonian military leader
- 1217 –Lembitu of Lehola, Estonian military leader
- 1576 –Gerolamo Cardano, Italian mathematician (b. 1501)
- 1798 –George Read, American lawyer and signer of the Declaration of Independence (b. 1733)
- 1957 –King Haakon VII of Norway (b. 1872)
- 1962 –Bo Carter, American blues musician (b. 1892)
- 1974 –Jacqueline Susann, American novelist (b. 1918)
- 1974 –Walter Brennan, American actor (b. 1894)
- 1982 –Hovhannes Bagramyan, Soviet general (b. 1897)
- 2006 –Tasos Athanasiadis, Greek writer (b. 1913)
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