What are the important events that happened on September 9? Here are historical events, facts, and some myths about this day.
September 9: Facts & Myths About This Day
September 9 is the 252nd day of the year 2025 in the Gregorian calendar. There are 113 days remaining until the end of this year. The day of the week is Tuesday.
Under the Julian calendar, this day is August 27, 2025 – a Tuesday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?
When this day started, 1,757,376,000 seconds 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 ‘dihectapentacontadigon’ day.
Ready for a new challenge? Try guessing my birthday in just 6 tries with this fun twist on Wordle! Let’s see if you can figure it out. 🎉🎂 Play the Birthday Challenge now! (Sponsored by MyBirthday.Ninja)
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 161 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 4,645 days since this fabled cataclysmic event.
Do people and celebrities interest you? Discover all the September 9 famous birthdays who share your special day. Learn some fun facts about your birthday!
(Sponsored by MyBirthday.Ninja)
September 9 Historical Events
- 9 –Arminius’ alliance of six Germanic tribes ambushes and annihilates three Roman legions of Publius Quinctilius Varus in the Battle of the Teutoburg Forest.
- 337 –Constantine II, Constantius II, and Constans I succeed their father Constantine I as co-emperors. The Roman Empire is divided between the three Augusti.
- 1850 –California is admitted as the thirty-first U.S. state.
- 1923 –Mustafa Kemal Atatürk, the founder of the Republic of Turkey, founds the Republican People’s Party.
- 1924 –Hanapepe Massacre occurs on Kauai, Hawaii.
- 1942 –World War II: A Japanese floatplane drops incendiary bombs on Oregon.
- 1947 –First actual case of a computer bug being found: a moth lodges in a relay of a Harvard Mark II computer at Harvard University.
- 1965 –The United States Department of Housing and Urban Development is established.
- 1969 –Allegheny Airlines Flight 853 DC-9 collides in flight with a Piper PA-28 and crashes near Fairland, Indiana.
- 1990 –1990 Batticaloa massacre, massacre of 184 minority Tamil civilians by Sri Lankan Army in the eastern Batticaloa District of Sri Lanka.
Who were born on September 9?
- 1877 –Frank Chance, American baseball player (d. 1924)
- 1885 –Miriam Licette, English operatic soprano (d. 1969)
- 1887 –Alf Landon, American politician (d. 1987)
- 1922 –Manolis Glezos, Greek politician and writer
- 1940 –Hugh Morgan, Australian businessman
- 1957 –Gabriele Tredozi, Italian engineer
- 1972 –Natasha Kaplinsky, British newsreader
- 1974 –Ana Carolina, Brazilian singer, composer and musician
- 1976 –Aki Riihilahti, Finnish footballer
- 1978 –Kurt Ainsworth, American baseball player
Who died on September 9?
- 1087 –King William I of England
- 1676 –Paul Chomedey de Maisonneuve, French army officer (b. 1612)
- 1680 –Henry Marten, English regicide (b. 1602)
- 1898 –Stéphane Mallarmé, French poet (b. 1842)
- 1915 –Albert Spalding, American baseball player and sporting goods manufacturer (b. 1850)
- 1943 –Charles McLean Andrews, American historian (b. 1863)
- 1960 –Jussi Björling, Swedish tenor (b. 1911)
- 1976 –Mao Zedong, Chinese communist leader (b. 1893)
- 1980 –John Howard Griffin, American writer (b. 1920)
- 2003 –Don Willesee, Australian politician (b. 1916)
Can you guess my birthday in just 6 tries? 🥳🎉 Give it a shot and see if you can crack the code! 🎂🎈 Play the Birthday Challenge here. (Sponsored by MyBirthday.Ninja)