What are the important events that happened on December 9? Here are historical events, facts, and some myths about this day.

December 9: Facts & Myths About This Day

December 9 is the 343^rd day of the year 2025 in the Gregorian calendar. There are 22 days remaining until the end of this year. The day of the week is Tuesday.

Under the Julian calendar, this day is November 26, 2025 – a Tuesday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,765,238,400 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘trihectatetracontatrigon’ day.

Sagittarius is the zodiac 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 70 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,736 days since this fabled cataclysmic event.

December 9 Historical Events

• 1824 –
  Patriot forces led by General Antonio José de Sucre defeat a Royalist army in the Battle of Ayacucho, putting an end to the Peruvian War of Independence.
• 1872 –
  In Louisiana, P. B. S. Pinchback becomes the first serving African-American governor of a U.S. state.
• 1888 –
  Statistician Herman Hollerith installs his computing device at the United States War Department.
• 1935 –
  Walter Liggett, American newspaper editor and muckraker, is killed in gangland murder.
• 1941 –
  World War II: The 19th Bombardment Group attacks Japanese ships off the coast of Vigan, Luzon.
• 1961 –
  Tanganyika becomes independent from Britain.
• 1962 –
  The Petrified Forest National Park is established in Arizona.
• 1988 –
  The Michael Hughes Bridge in Sligo, Ireland is officially opened.
• 2000 –
  The Supreme Court of the United States stays the sixth Florida recount.
• 2008 –
  The Governor of Illinois, Rod Blagojevich, is arrested by federal officials for a number of crimes including attempting to sell the United States Senate seat being vacated by President-elect Barack Obama’s election to the Presidency.

Who were born on December 9?

• 1652 –
  Augustus Quirinus Rivinus, German physician (d. 1723)
• 1920 –
  Carlo Azeglio Ciampi, President of the Italian Republic
• 1955 –
  Chamras Saewataporn, Thai composer and musician
• 1958 –
  Rikk Agnew, American guitarist (The Adolescents)
• 1963 –
  Masako, Crown Princess of Japan
• 1969 –
  Sebastian Spence, Canadian actor
• 1971 –
  Geoff Barrow, English musician (Portishead)
• 1974 –
  Canibus, American rapper
• 1982 –
  Tamilla Abassova, Russian cyclist
• 1987 –
  Mat Latos, American baseball player

Who died on December 9?

• 748 –
  Nasr ibn Sayyar, last Ummayad governor of Khurasan (b. 663)
• 1706 –
  King Peter II of Portugal (b. 1648)
• 1854 –
  Almeida Garrett, Portuguese writer (b. 1799)
• 1932 –
  Rokeya Sakhawat Hussain, Bangladeshi writer and social worker (b. 1880)
• 1935 –
  Walter Liggett, American newspaper editor (b. 1886)
• 1975 –
  William A. Wellman, American movie director (b. 1896)
• 1979 –
  Fulton J. Sheen, American archbishop and television preacher (b. 1895)
• 1996 –
  Alain Poher, French politician (b. 1909)
• 1996 –
  Diana Morgan, British playwright and screenwriter (b. 1908)
• 1998 –
  Archie Moore, American boxer (b. 1913)