About December 18
December 18, 2025 is the 352nd day of the year 2025 in the Gregorian calendar. There are 13 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.
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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 61 days remaining before the start of the next Chinese New Year.
What Happened On December 18
- 1642 –Abel Tasman becomes first European to land in New Zealand.
- 1787 –New Jersey becomes the third state to ratify the U.S. Constitution.
- 1878 –John Kehoe, the last of the Molly Maguires is executed in Pennsylvania.
- 1878 –The Al-Thani family become the rulers of the state of Qatar
- 1888 –Richard Wetherill and his brother in-law discover the ancient Indian ruins of Cliff Palace in Mesa Verde.
- 1898 –Gaston de Chasseloup-Laubat sets the first officially recognized land speed record of 39.245 mi/h in a Jeantaud electric car.
- 1912 –The Piltdown Man, later discovered to be a hoax, is announced by Charles Dawson.
- 1915 –U.S. President Woodrow Wilson marries Edith Bolling Galt Wilson while president of the United States.
- 1917 –The resolution containing the language of the Eighteenth Amendment to enact Prohibition is passed by the United States Congress.
- 1935 –The Lanka Sama Samaja Party is founded in Ceylon.
- 1956 –Japan joins the United Nations.
- 1958 –Project SCORE, the world’s first communications satellite, is launched.
- 1971 –Capitol Reef National Park is established in Utah.
- 1972 –Vietnam War: President Richard Nixon announces that the United States will engage North Vietnam in Operation Linebacker II, a series of Christmas bombings, after peace talks collapsed with North Vietnam on the 13th.
- 1973 –Soviet Soyuz Programme: Soyuz 13, crewed by cosmonauts Valentin Lebedev and Pyotr Klimuk, is launched from Baikonur in the Soviet Union.
- 1973 –The Islamic Development Bank is founded.
- 1999 –NASA launches into orbit the Terra platform carrying five Earth Observation instruments, including ASTER, CERES, MISR, MODIS and MOPITT.
- 2005 –The civil war in Chad begins when rebel groups, allegedly backed by neighbouring Sudan, launch an attack in Adré.
- 2006 –United Arab Emirates holds its first-ever elections.
- 2010 –Governmental protests begin in Tunisia, beginning the 2010-2011 Middle East and North Africa protests
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