About September 17
September 17, 2025 is the 260th day of the year 2025 in the Gregorian calendar. There are 105 days remaining until the end of this year. The day of the week is Wednesday.
You can browse the full year calendar in case you need it.
Are you looking for a day of the week calculator? Try it on any date like anniversaries, birthday of someone you know, or any other date that is special to you. You can even try it on historical dates. For example: September 17
(Sponsored by DayOfTheWeek.org)
Virgo is the sun 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 153 days remaining before the start of the next Chinese New Year.
What Happened On September 17
- 1176 –The Battle of Myriokephalon is fought.
- 1577 –The Peace of Bergerac is signed between Henry III of France and the Huguenots.
- 1631 –Sweden wins a major victory at the Battle of Breitenfeld against the Holy Roman Empire during the Thirty Years War.
- 1775 –American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean.
- 1787 –The United States Constitution is signed in Philadelphia, Pennsylvania.
- 1894 –The Battle of Yalu River, the largest naval engagement of the First Sino-Japanese War.
- 1908 –The Wright Flyer flown by Orville Wright, with Lieutenant Thomas Selfridge as passenger, crashes killing Selfridge. He becomes the first airplane fatality.
- 1920 –The American Professional Football Association (later renamed National Football League) is organized in Canton, Ohio, United States.
- 1924 –The Border Defence Corps is established in the Second Polish Republic for the defence of the eastern border against armed Soviet raids and local bandits.
- 1928 –The Okeechobee Hurricane strikes southeastern Florida, killing upwards of 2,500 people. It is the third deadliest natural disaster in United States history, behind the Galveston Hurricane of 1900 and the 1906 San Francisco earthquake.
- 1940 –World War II: Following the German defeat in the Battle of Britain, Hitler postpones Operation Sea Lion indefinitely.
- 1943 –World War II: The Russian city of Bryansk is liberated from Nazis.
- 1944 –World War II: Allied Airborne troops parachute into the Netherlands as the “Market” half of Operation Market Garden.
- 1974 –Bangladesh, Grenada and Guinea-Bissau join the United Nations.
- 1980 –Former Nicaraguan President Anastasio Somoza Debayle is killed in Asunción, Paraguay.
- 1983 –Vanessa Williams becomes the first black Miss America.
- 1991 –The first version of the Linux kernel (0.01) is released to the Internet.
- 1993 –Last Russian troops leave Poland.
- 2001 –The New York Stock Exchange reopens for trading after the September 11 Attacks, the longest closure since the Great Depression.
- 2006 –Fourpeaked Mountain in Alaska erupts, marking the first eruption for the long-dormant volcano in at least 10,000 years.
What no one tells you about your first name’s personality. Are there magical powers in your given name? Check out Frankie’s personality today! (Sponsored links)
Share or Link to This Page: