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.
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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 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.
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