About May 17

May 17, 2025 is the 137th day of the year 2025 in the Gregorian calendar. There are 228 days remaining until the end of this year. The day of the week is Saturday.

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

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

According to the lunisolar Chinese calendar, there are 276 days remaining before the start of the next Chinese New Year.

What Happened On May 17

  • 1536
    George Boleyn, Viscount Rochford and four other men are executed for treason.
  • 1590
    Anne of Denmark is crowned Queen of Scotland.
  • 1673
    Louis Joliet and Jacques Marquette begin exploring the Mississippi River.
  • 1863
    Rosalía de Castro publishes Cantares Gallegos, the first book in the Galician language.
  • 1900
    Second Boer War: British troops relieve Mafeking.
  • 1902
    Greek archaeologist Valerios Stais discovers the Antikythera mechanism, an ancient mechanical analog computer.
  • 1914
    The Protocol of Corfu is signed recognising full autonomy to Northern Epirus under nominal Albanian sovereignty.
  • 1939
    The Columbia Lions and the Princeton Tigers play in the United States’ first televised sporting event, a collegiate baseball game in New York City.
  • 1940
    World War II: Germany occupies Brussels, Belgium.
  • 1943
    The United States Army contracts with the University of Pennsylvania’s Moore School to develop the ENIAC.
  • 1943
    World War II: the Dambuster Raids by No. 617 Squadron RAF on German dams.
  • 1967
    Six-Day War: President Gamal Abdel Nasser of Egypt demands dismantling of the peace-keeping UN Emergency Force in Egypt.
  • 1969
    Venera program: Soviet Venera 6 begins its descent into the atmosphere of Venus, sending back atmospheric data before being crushed by pressure.
  • 1970
    Thor Heyerdahl sets sail from Morocco on the papyrus boat Ra II to sail the Atlantic Ocean.
  • 1973
    Watergate scandal: Televised hearings begin in the United States Senate.
  • 1983
    The U.S. Department of Energy declassifies documents showing world’s largest mercury pollution event in Oak Ridge, Tennessee (ultimately found to be 4.2 million pounds), in response to the Appalachian Observer’s Freedom of Information Act request.
  • 1994
    Malawi holds its first multi-party elections.
  • 1997
    Troops of Laurent Kabila march into Kinshasa. Zaire is officially renamed Democratic Republic of the Congo.
  • 2004
    Massachusetts becomes the first U.S. state to legalize same-sex marriage.
  • 2007
    Trains from North and South Korea cross the 38th Parallel in a test-run agreed by both governments. This is the first time that trains have crossed the Demilitarized Zone since 1953.

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