About December 11

December 11, 2025 is the 345th day of the year 2025 in the Gregorian calendar. There are 20 days remaining until the end of this year. The day of the week is Thursday.

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

DayOfTheWeek.org Are you looking for a day of the week calculator? Try it on any date like anniversaries, birthday of someone you know, or any other date that is special to you. You can even try it on historical dates. For example: December 11
(Sponsored by DayOfTheWeek.org)

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 68 days remaining before the start of the next Chinese New Year.

What Happened On December 11

  • 969
    Byzatine Emperor Nikephoros II is assassinated by his wife Theofano and her lover, the later Emperor John I Tzimiskes.
  • 1282
    Llywelyn the Last, the last native Prince of Wales, is killed at Cilmeri, near Builth Wells, south Wales.
  • 1602
    A surprise attack by forces under the command of the Duke of Savoy and his brother-in-law, Philip III of Spain, is repelled by the citizens of Geneva.
  • 1789
    The University of North Carolina is chartered by the North Carolina General Assembly.
  • 1868
    Brazilians defeat Paraguayans at the Battle of Avaí during the War of the Triple Alliance.
  • 1905
    A workers’ uprising occurs in Kiev and establishes the Shuliavka Republic.
  • 1917
    British General Edmund Allenby enters Jerusalem on foot and declares martial law.
  • 1927
    Guangzhou Uprising: Communist militia and worker Red Guards launch an uprising in the Chinese city of Guangzhou, taking over most of the city and announcing the formation of a Guangzhou Soviet.
  • 1934
    Bill Wilson, co-founder of Alcoholics Anonymous, takes his last drink and enters treatment for the last time.
  • 1948
    The United Nations passes General Assembly Resolution 194, which established and defined the role of the United Nations Conciliation Commission as an organization to facilitate peace in the British Mandate for Palestine.
  • 1962
    Arthur Lucas, convicted of murder, is the last person to be executed in Canada.
  • 1972
    Apollo 17 becomes the sixth and last Apollo mission to land on the Moon.
  • 1980
    The Comprehensive Environmental Response, Compensation, and Liability Act, also known as CERCLA or Superfund, is enacted by the U.S. Congress.
  • 1994
    A bomb explodes on Philippine Airlines Flight 434, en route from Manila to Tokyo, killing one. The captain is able to safely land the plane.
  • 1997
    The Kyoto Protocol opens for signature.
  • 2005
    Cronulla riots: Thousands of White Australians demonstrate against ethnic violence resulting in a riot against anyone thought to be Lebanese (and many who are not) in Cronulla Sydney. These are followed up by retaliatory ethnic attacks on Cronulla.
  • 2005
    The Buncefield Oil Depot catches fire in Hemel Hempstead, England.
  • 2006
    Felipe Calderon Hinojosa, the president of Mexico, launches a military-led offensive to put down the drug cartel violence in the state of Michoacan. This effort is often regarded as the first event in the Mexican Drug War.
  • 2006
    The International Conference to Review the Global Vision of the Holocaust is opened in Tehran, Iran by Mahmoud Ahmadinejad; Nations such as Israel and the United States express concern.
  • 2007
    Two car bombs explode at the Constitutional Court building in Algiers and the United Nations office. An estimated 45 people are killed in the bombings.

My Birthday Ninja Is this your birthday? Are you not curious to learn who shares your special day? Find out the December 11 famous birthdays and expand your knowledge today. (Sponsored link)



Share or Link to This Page: