About December 1
December 1, 2025 is the 335th day of the year 2025 in the Gregorian calendar. There are 30 days remaining until the end of this year. The day of the week is Monday.
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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 78 days remaining before the start of the next Chinese New Year.
What Happened On December 1
- 1640 –End of the Iberian Union: Portugal acclaims as King João IV of Portugal, ending 60 years of personal union of the crowns of Portugal and Spain and the end of the rule of the House of Habsburg (also called the Philippine Dynasty).
- 1768 –The slave ship Fredensborg sinks off Tromøy in Norway.
- 1824 –United States presidential election, 1824: Since no candidate received a majority of the total electoral college votes in the election, the United States House of Representatives is given the task of deciding the winner in accordance with the Twelfth Amendment to the United States Constitution.
- 1865 –Shaw University, the first historically black university in the southern United States, is founded in Raleigh, North Carolina.
- 1885 –First serving of the soft drink Dr Pepper at a drug store in Waco, Texas (United States).
- 1913 –Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
- 1913 –The Ford Motor Company introduces the first moving assembly line.
- 1918 –The Kingdom of Iceland becomes a sovereign state, yet remains a part of the Danish kingdom.
- 1918 –Transylvania unites with Romania, following the incorporation of Bessarabia (March 27) and Bukovina (November 28), thus concluding the Great Union.
- 1919 –Lady Astor becomes the first female Member of Parliament to take her seat in the House of Commons of the United Kingdom (she had been elected to that position on November 28).
- 1934 –In the Soviet Union, Politburo member Sergei Kirov is shot dead by Leonid Nikolayev at the Communist Party headquarters in Leningrad.
- 1941 –Pacific War: Emperor Hirohito of Japan gave the final approval to initiate war against the United States.
- 1948 –Taman Shud Case: The body of an unidentified man is found in Adelaide, Australia; involving an undetectable poison and a secret code in a very rare book, the case remains unsolved and is “one of Australia’s most profound mysteries”.
- 1969 –The first legislation to limit aircraft noise levels at airports is introduced in U.S. Federal Air Regulation, Part 36.
- 1971 –The Indian Army recaptures part of Kashmir occupied forcibly by Pakistan.
- 1974 –Northwest Orient Airlines Flight 6231, crashes northwest of John F. Kennedy International Airport.
- 1974 –TWA Flight 514, a Boeing 727, crashes northwest of Dulles International Airport killing all 92 people on board.
- 1981 –A Yugoslavian Inex Adria Aviopromet DC-9 crashes in Corsica killing all 180 people on board.
- 1981 –The AIDS virus is officially recognized.
- 1984 –NASA conducts the Controlled Impact Demonstration, wherein an airliner was deliberately crashed in order to test technologies and gather data to help improve survivability of airplane crashes.
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