About December 15
December 15, 2025 is the 349th day of the year 2025 in the Gregorian calendar. There are 16 days remaining until the end of this year. The day of the week is Monday.
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 64 days remaining before the start of the next Chinese New Year.
What Happened On December 15
- 1167 –Sicilian chancellor Stephen du Perche moves the royal court to Messina to prevent a rebellion.
- 1256 –Hulagu Khan captures and destroys the Hashshashin stronghold at Alamut in present-day Iran as part of the Mongol offensive on Islamic southwest Asia.
- 1791 –The United States Bill of Rights becomes law when ratified by the Virginia General Assembly.
- 1864 –In the Battle of Nashville, Union forces under George H. Thomas almost completely destroy the Army of Tennessee under John B. Hood.
- 1906 –The London Underground’s Great Northern, Piccadilly and Brompton Railway opens.
- 1914 –A gas explosion at Mitsubishi Hojyo coal mine, Kyūshū, Japan, kills 687.
- 1914 –World War I: The Serbian Army recaptures Belgrade from the invading Austro-Hungarian Army.
- 1939 –Gone with the Wind receives its première at Loew’s Grand Theatre in Atlanta, Georgia, USA.
- 1945 –Occupation of Japan: General Douglas MacArthur orders that Shinto be abolished as the state religion of Japan.
- 1961 –In Jerusalem, Adolph Eichmann is sentenced to death after being found guilty of 15 criminal charges, including charges of crimes against humanity, crimes against the Jewish people and membership of an outlawed organization.
- 1967 –The Silver Bridge collapses, killing 46 people.
- 1970 –South Korean ferry Namyong Ho capsizes off Korean Strait killing 308.
- 1970 –Soviet spacecraft Venera 7 successfully land on Venus. It is the first successful soft landing on another planet
- 1973 –The American Psychiatric Association votes 13–0 to remove homosexuality from its official list of psychiatric disorders, the DSM-II.
- 1978 –U.S. President Jimmy Carter announces that the United States will recognize the People’s Republic of China and cut off all relations with Taiwan
- 1997 –A chartered Tupolev TU-154 from Tajikistan crashes in the desert near Sharja, United Arab Emirates airport killing 85.
- 1997 –The Treaty of Bangkok is signed allowing the transformation of Southeast Asia into a Nuclear-Weapon-Free Zone.
- 2005 –Introduction of the F-22 Raptor into USAF active service.
- 2009 –Boeing’s new Boeing 787 Dreamliner makes its maiden flight from Seattle, Washington.
- 2010 –A boat carrying 90 asylum seekers crashes into rocks off the coast of Christmas Island, Australia, killing at least 30 passengers.
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