About December 12
December 12, 2025 is the 346th day of the year 2025 in the Gregorian calendar. There are 19 days remaining until the end of this year. The day of the week is Friday.
You can browse the full year calendar in case you need it.
Is this your birthday? Are you not curious to learn who shares your special day? Find out the December 12 famous birthdays and expand your knowledge today. (Sponsored link)
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 67 days remaining before the start of the next Chinese New Year.
What Happened On December 12
- 627 –Battle of Nineveh: A Byzantine army under Emperor Heraclius defeats Emperor Khosrau II’s Persian forces, commanded by General Rhahzadh.
- 1901 –Guglielmo Marconi receives the first transatlantic radio signal at Signal Hill in St John’s, Newfoundland.
- 1911 –Delhi replaces Calcutta as the capital of India.
- 1918 –Flag of Estonia is raised atop the Pikk Hermann for the first time.
- 1937 –USS Panay incident: Japanese aircraft bomb and sink US gunboat USS Panay on the Yangtze River in China.
- 1939 –Winter War: Battle of Tolvajärvi – Finnish forces defeat those of the Soviet Union in their first major victory of the conflict.
- 1941 –World War II: Fifty-four Japanese A6M Zero fighters raid Batangas Field, Philippines. Jesús Villamor and four Filipino fighter pilots fend them off; César Basa is killed.
- 1941 –World War II: The United Kingdom declares war on Bulgaria. Hungary and Romania declare war on the United States. India declares war on Japan.
- 1942 –A fire in a hostel in St. John’s, Newfoundland, kills 100 people.
- 1942 –World War II: German troops begin Operation Winter Storm, an attempt to relieve encircled Axis forces during the Battle of Stalingrad.
- 1946 –A fire at a New York City ice plant spreads to a nearby tenement killing 37 people.
- 1948 –Malayan Emergency: Batang Kali Massacre – 14 members of the Scots Guards stationed in Malaysia allegedly massacre 24 unarmed civilians and set fire to the village.
- 1950 –Paula Ackerman, the first woman appointed to perform rabbinical functions in the United States, leads the congregation in her first services.
- 1964 –Prime Minister Jomo Kenyatta becomes the first President of the Republic of Kenya.
- 1969 –Strategy of tension: Piazza Fontana bombing – The offices of Banca Nazionale dell'Agricoltura in Piazza Fontana, Milan, are bombed.
- 1979 –The unrecognised state of Zimbabwe Rhodesia returns to British control and resumes using the name Southern Rhodesia.
- 1984 –Maaouiya Ould Sid'Ahmed Taya becomes the third president of Mauritania after a coup d'état against Mohamed Khouna Ould Haidalla while the latter is attending a summit.
- 1985 –Arrow Air Flight 1285 crashes after takeoff in Gander, Newfoundland, killing 256, including 236 members of the United States Army’s 101st Airborne Division.
- 1988 –The Clapham Junction rail crash kills thirty-five and injures hundreds after two collisions of three commuter trains – one of the worst train crashes in the United Kingdom.
- 1991 –Russian Federation gains independence from the USSR.
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