About December 31

December 31, 2021 is the 365th day of the year 2021 in the Gregorian calendar. The day of the week is Friday.

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

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Capricorn 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 32 days remaining before the start of the next Chinese New Year.

December 31: More About This Day

It is widely known as New Year’s Eve since the following day is New Year’s Day. It is the last day of the year.

What Happened On December 31

  • 535
    Byzantine General Belisarius completes the conquest of Sicily, defeating the Ostrogothic garrison of Syracuse, and ending his consulship for the year.
  • 1225
    The Ly Dynasty of Vietnam ends after 216 years by the enthronement of the boy emperor Tran Thai Tong, husband of the last Ly monarch, Ly Chieu Hoang, starting the Tran Dynasty.
  • 1229
    James I of Aragon the Conqueror enters Medina Mayurqa (now known as Palma, Spain) thus consummating the Christian reconquest of the island of Majorca.
  • 1600
    The British East India Company is chartered.
  • 1775
    American Revolutionary War: Battle of Quebec: British forces repulse an attack by Continental Army General Richard Montgomery.
  • 1862
    American Civil War: The Battle of Stones River begins near Murfreesboro, Tennessee.
  • 1879
    Thomas Edison demonstrates incandescent lighting to the public for the first time, in Menlo Park, New Jersey.
  • 1909
    Manhattan Bridge opens.
  • 1944
    World War II: Hungary declares war on Nazi Germany.
  • 1946
    President Harry S. Truman officially proclaims the end of hostilities in World War II.
  • 1951
    The Marshall Plan expires after distributing more than US$13.3 billion in foreign aid to rebuild Europe.
  • 1960
    The farthing coin ceases to be legal tender in the United Kingdom.
  • 1961
    RTÉ Ireland’s state broadcaster launches its first national television service.
  • 1963
    The Central African Federation officially collapses and splits into Zambia, Malawi and Rhodesia.
  • 1981
    A coup d'état in Ghana removes President Hilla Limann’s PNP government and replaces it with the Provisional National Defence Council led by Flight Lieutenant Jerry Rawlings.
  • 1983
    In Nigeria a coup d'état led by Major General Muhammadu Buhari ends the Nigerian Second Republic.
  • 1983
    The AT&T Bell System is broken up by the United States Government.
  • 1991
    All official Soviet Union institutions have ceased operations by this date and the Soviet Union is officially dissolved.
  • 1994
    The first Chechen war: Russian army began a New Year’s storm of Grozny
  • 2004
    The official opening of Taipei 101, the tallest skyscraper at that time in the world, standing at a height of 509 m.

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