About December 15

December 15, 2025 is the 349th day of the year 2025 in the Gregorian calendar. There are 16 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.

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

According to the lunisolar Chinese calendar, there are 64 days remaining before the start of the next Chinese New Year.

What Happened On December 15

  • 533
    Byzantine general Belisarius defeats the Vandals, commanded by King Gelimer, at the Battle of Ticameron.
  • 1167
    Sicilian chancellor Stephen du Perche moves the royal court to Messina to prevent a rebellion.
  • 1256
    Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut in present-day Iran as part of the Mongol offensive on Islamic southwest Asia.
  • 1778
    American Revolutionary War: British and French fleets clash in the Battle of St. Lucia.
  • 1791
    The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
  • 1864
    In the Battle of Nashville, Union forces under George H. Thomas almost completely destroy the Army of Tennessee under John B. Hood.
  • 1914
    A gas explosion at Mitsubishi Hojyo coal mine, Kyūshū, Japan, kills 687.
  • 1941
    Holocaust: German troops murder over 15,000 Jews at Drobitsky Yar, a ravine southeast of the city of Kharkiv, Ukraine.
  • 1945
    Occupation of Japan: General Douglas MacArthur orders that Shinto be abolished as the state religion of Japan.
  • 1946
    US-backed Iranian troops evict the leadership of the breakaway Republic of Mahabad, putting an end to the Iran crisis of 1946.
  • 1954
    The Charter for the Kingdom of the Netherlands is signed.
  • 1960
    Richard Paul Pavlick is arrested for attempting to blow up and assassinate the U.S. President-Elect, John F. Kennedy only four days earlier.
  • 1961
    In Jerusalem, Adolph Eichmann is sentenced to death after being found guilty of 15 criminal charges, including charges of crimes against humanity, crimes against the Jewish people and membership of an outlawed organization.
  • 1970
    South Korean ferry Namyong Ho capsizes off Korean Strait killing 308.
  • 1973
    John Paul Getty III, grandson of American billionaire J. Paul Getty, is found alive near Naples, Italy, after being kidnapped by an Italian gang on July 10, 1973.
  • 1993
    History of Northern Ireland: The Downing Street Declaration is issued by British Prime Minister John Major and Irish Taoiseach Albert Reynolds.
  • 2000
    The 3rd reactor at the Chernobyl Nuclear Power Plant is shut down.
  • 2005
    Introduction of the F-22 Raptor into USAF active service.
  • 2009
    Boeing’s new Boeing 787 Dreamliner makes its maiden flight from Seattle, Washington.
  • 2011
    American forces withdraw from Iraq after a 9-year long campaign.

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