About September 17

September 17, 2024 is the 261st day of the year 2024 in the Gregorian calendar. There are 105 days remaining until the end of this year. The day of the week is Tuesday.

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

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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 134 days remaining before the start of the next Chinese New Year.

What Happened On September 17

  • 1111
    Highest Galician nobility led by Pedro Fróilaz de Traba and the bishop Diego Gelmírez crown Alfonso VII as “King of Galicia”.
  • 1176
    The Battle of Myriokephalon is fought.
  • 1462
    The Battle of Świecino (also known as the Battle of Żarnowiec) is fought during Thirteen Years’ War.
  • 1577
    The Peace of Bergerac is signed between Henry III of France and the Huguenots.
  • 1630
    The city of Boston, Massachusetts is founded.
  • 1775
    American Revolutionary War: The Invasion of Canada begins with the Siege of Fort St. Jean.
  • 1849
    American abolitionist Harriet Tubman escapes from slavery.
  • 1862
    American Civil War: George B. McClellan halts the northward drive of Robert E. Lee’s Confederate army in the single-day Battle of Antietam, the bloodiest day in American history.
  • 1862
    American Civil War: The Allegheny Arsenal explosion results in the single largest civilian disaster during the war.
  • 1916
    World War I: Manfred von Richthofen (“The Red Baron”), a flying ace of the German Luftstreitkräfte, wins his first aerial combat near Cambrai, France.
  • 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.
  • 1941
    World War II: A decree of the Soviet State Committee of Defense, restoring Vsevobuch in the face of the Great Patriotic War, is issued
  • 1944
    World War II: Allied Airborne troops parachute into the Netherlands as the “Market” half of Operation Market Garden.
  • 1949
    The Canadian steamship SS Noronic burns in Toronto Harbour with the loss of over 118 lives.
  • 1974
    Bangladesh, Grenada and Guinea-Bissau join the United Nations.
  • 1980
    After weeks of strikes at the Lenin Shipyard in Gdańsk, Poland, the nationwide independent trade union Solidarity is established.
  • 1991
    Estonia, North Korea, South Korea, Latvia, Lithuania, the Marshall Islands and Micronesia join the United Nations.
  • 1991
    The first version of the Linux kernel (0.01) is released to the Internet.
  • 2006
    An audio tape of a private speech by Hungarian Prime Minister Ferenc Gyurcsány is leaked to the public, in which he confessed that his Hungarian Socialist Party had lied to win the 2006 election, sparking widespread protests across the country.

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