About September 15

September 15, 2025 is the 258th day of the year 2025 in the Gregorian calendar. There are 107 days remaining until the end of this year. The day of the week is Monday.

You can browse the full year calendar in case you need it.

DayOfTheWeek.org 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 15
(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 155 days remaining before the start of the next Chinese New Year.

What Happened On September 15

  • 921 –
    At Tetin Saint Ludmila is murdered at the command of her daughter-in-law.
  • 1440 –
    Gilles de Rais, one of the earliest known serial killers, is taken into custody upon an accusation brought against him by the Bishop of Nantes.
  • 1556 –
    Departing from Vlissingen, ex-Holy Roman Emperor Charles V returns to Spain.
  • 1616 –
    The first non-aristocratic, free public school in Europe is opened in Frascati, Italy.
  • 1812 –
    The French army under Napoleon reaches the Kremlin in Moscow.
  • 1812 –
    War of 1812: A second supply train sent to relieve Fort Harrison is ambushed in the Attack at the Narrows.
  • 1816 –
    HMS Whiting ran aground on the Doom Bar
  • 1821 –
    Guatemala, El Salvador, Honduras, Nicaragua, and Costa Rica jointly declare independence from Spain.
  • 1862 –
    American Civil War: Confederate forces capture Harpers Ferry, Virginia.
  • 1935 –
    The Nuremberg Laws deprive German Jews of citizenship.
  • 1942 –
    World War II: U.S. Navy aircraft carrier USS Wasp is torpedoed at Guadalcanal.
  • 1944 –
    Battle of Peleliu begins as the United States Marine Corps’ 1st Marine Division and the United States Army’s 81st Infantry Division hit White and Orange beaches under heavy fire from Japanese infantry and artillery.
  • 1947 –
    RCA releases the 12AX7 vacuum tube.
  • 1950 –
    Korean War: United States forces land at Inchon
  • 1958 –
    A Central Railroad of New Jersey commuter train runs through an open drawbridge at the Newark Bay, killing 58.
  • 1962 –
    The Soviet ship Poltava heads toward Cuba, one of the events that sets into motion the Cuban Missile Crisis.
  • 1963 –
    The 16th Street Baptist Church bombing: Four children killed at an African-American church in Birmingham, Alabama, United States
  • 1968 –
    The Soviet Zond 5 spaceship is launched, becoming the first spacecraft to fly around the Moon and re-enter the Earth’s atmosphere.
  • 1998 –
    With the landmark merger of WorldCom and MCI Communications completed the day prior, the new MCI WorldCom opens its doors for business.
  • 2008 –
    Lehman Brothers files for Chapter 11 bankruptcy, the largest bankruptcy filing in U.S. history.

My Birthday Ninja Is this your birthday? Are you not curious to learn who shares your special day? Find out the September 15 famous birthdays and expand your knowledge today. (Sponsored link)

« September 14
September 16 »


Share or Link to This Page: