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.
  • 1610
    French king Louis XIII is crowned in Rheims.
  • 1662
    Charles II of England sells Dunkirk to France for 40,000 pounds.
  • 1777
    American Revolutionary War: British General John Burgoyne surrenders his army at Saratoga, New York.
  • 1860
    First The Open Championship (referred to in North America as the British Open).
  • 1905
    The October Manifesto issued by Tsar Nicholas II of Russia
  • 1907
    Guglielmo Marconi’s company begins the first commercial transatlantic wireless service between Glace Bay, Nova Scotia, Canada and Clifden, Ireland.
  • 1931
    Al Capone convicted of income tax evasion.
  • 1933
    Albert Einstein flees Nazi Germany and moves to the United States.
  • 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.
  • 1956
    The first commercial nuclear power station is officially opened by Queen Elizabeth II in Sellafield,in Cumbria, England.
  • 1966
    Botswana and Lesotho join the United Nations.
  • 1973
    OPEC starts an oil embargo against a number of western countries, considered to have helped Israel in its war against Syria.
  • 1979
    Mother Teresa awarded the Nobel Peace Prize.
  • 1998
    At Jesse, in the Niger Delta, Nigeria, a petroleum pipeline explodes killing about 1200 villagers, some of whom are scavenging gasoline.
  • 2001
    Israeli tourism minister Rehavam Ze'evi became the first Israeli minister to be assassinated in a terrorist attack.
  • 2010
    Mary MacKillop is canonized (in Rome) and becomes the first saint of Australia.

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