About October 17

October 17, 2025 is the 290th day of the year 2025 in the Gregorian calendar. There are 75 days remaining until the end of this year. The day of the week is Friday.

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

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Libra is the sun sign of a person born on this day. Opal is the modern birthstone for this month. Jasper is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 123 days remaining before the start of the next Chinese New Year.

What Happened On October 17

  • 1448
    Second Battle of Kosovo, where the mainly Hungarian army led by John Hunyadi is defeated by an Ottoman army led by Sultan Murad II.
  • 1456
    The University of Greifswald is established, making it the second oldest university in northern Europe (also for a period the oldest in Sweden, and Prussia)
  • 1604
    Kepler’s Star: German astronomer Johannes Kepler observes a supernova in the constellation Ophiuchus.
  • 1660
    Nine Regicides, the men who signed the death warrant of Charles I, are hanged, drawn and quartered.
  • 1771
    Premiere in Milan of the opera Ascanio in Alba, composed by Wolfgang Mozart, age 15.
  • 1777
    American Revolutionary War: British General John Burgoyne surrenders his army at Saratoga, New York.
  • 1806
    Former leader of the Haitian Revolution, Emperor Jacques I of Haiti is assassinated after an oppressive rule.
  • 1814
    London Beer Flood occurs in London, killing nine.
  • 1860
    First The Open Championship (referred to in North America as the British Open).
  • 1888
    Thomas Edison files a patent for the Optical Phonograph (the first movie).
  • 1907
    Guglielmo Marconi’s company begins the first commercial transatlantic wireless service between Glace Bay, Nova Scotia, Canada and Clifden, Ireland.
  • 1917
    First British bombing of Germany in World War I.
  • 1931
    Al Capone convicted of income tax evasion.
  • 1941
    For the first time in World War II, a German submarine attacks an American ship.
  • 1945
    Archbishop Damaskinos of Athens becomes Prime Minister of Greece between the pull-out of the German occupation force in 1944 and the return of King Georgios II to Greece.
  • 1964
    Prime Minister of Australia Robert Menzies opens the artificial Lake Burley Griffin in the middle of the capital Canberra.
  • 1973
    OPEC starts an oil embargo against a number of western countries, considered to have helped Israel in its war against Syria.
  • 1989
    1989 Loma Prieta earthquake (7.1 on the Richter scale) hits the San Francisco Bay Area and causes 57 deaths directly (and 6 indirectly).
  • 2000
    Train crash at Hatfield, north of London, leading to collapse of Railtrack.
  • 2003
    The pinnacle is fitted on the roof of Taipei 101, a 101-floor skyscraper in Taipei, allowing it to surpass the Petronas Twin Towers in Kuala Lumpur by 56 m and become the World’s tallest highrise.

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