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.
- 1826 –French philhellene Charles Nicolas Fabvier forces his way through the Turkish cordon and ascends the Acropolis of Athens, which had been under siege.
- 1913 –Crete, having obtained self rule from Turkey after the First Balkan War, is annexed by Greece.
- 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.
- 1925 –World War I aftermath: The final Locarno Treaty is signed in London, establishing post-war territorial settlements.
- 1941 –World War II: Fiorello La Guardia, Mayor of New York City and Director of the Office of Civilian Defense, signs Administrative Order 9, creating the Civil Air Patrol.
- 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”.
- 1952 –The New York Daily News reports the news of Christine Jorgenson, the first notable case of sexual reassignment surgery.
- 1955 –American Civil Rights Movement: In Montgomery, Alabama, seamstress Rosa Parks refuses to give up her bus seat to a white man and is arrested for violating the city’s racial segregation laws, an incident which leads to the Montgomery Bus Boycott.
- 1959 –Cold War: Opening date for signature of the Antarctic Treaty, which sets aside Antarctica as a scientific preserve and bans military activity on the continent.
- 1960 –Paul McCartney and Pete Best are arrested then deported from Hamburg, Germany, after accusations of attempted arson.
- 1963 –Nagaland becomes the 16th state of India.
- 1964 –Malawi, Malta and Zambia join the United Nations.
- 1969 –Vietnam War: The first draft lottery in the United States is held since World War II.
- 1971 –Cambodian Civil War: Khmer Rouge rebels intensify assaults on Cambodian government positions, forcing their retreat from Kompong Thmar and nearby Ba Ray.
- 1989 –1989 Philippine coup attempt: The right-wing military rebel Reform the Armed Forces Movement attempts to oust Philippine President Corazon Aquino in a failed bloody coup d'état.
- 1990 –Channel Tunnel sections started from the United Kingdom and France meet 40 metres beneath the seabed.
- 2009 –The Treaty of Lisbon, which amends the Treaty on European Union and the Treaty establishing the European Community, which together comprise the constitutional basis of European Union, comes into effect.
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