About September 12
September 12, 2025 is the 255th day of the year 2025 in the Gregorian calendar. There are 110 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 September 12 famous birthdays and expand your knowledge today. (Sponsored link)
Virgo is the sun sign of a person born on this day. Sapphire is the modern birthstone for this month. Agate is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 158 days remaining before the start of the next Chinese New Year.
What Happened On September 12
- 372 –Sixteen Kingdoms: Jin Xiaowudi, age 10, succeeds his father Jin Jianwendi as Emperor of the Eastern Jin Dynasty.
- 1229 –The Aragonese army under the command of James I of Aragon disembarks at Santa Ponça, Majorca, with the purpose of conquering the island.
- 1683 –Austro-Ottoman War: Battle of Vienna – several European armies join forces to defeat the Ottoman Empire.
- 1846 –Elizabeth Barrett elopes with Robert Browning.
- 1847 –Mexican-American War: the Battle of Chapultepec begins.
- 1848 –Switzerland becomes a Federal state.
- 1874 –The District of Maple Ridge, British Columbia, Canada is founded.
- 1890 –Salisbury, Rhodesia, is founded.
- 1938 –Adolf Hitler demands autonomy and self-determination for the Germans of the Sudetenland region of Czechoslovakia.
- 1940 –Cave paintings are discovered in Lascaux, France.
- 1942 –World War II: First day of the Battle of Edson’s Ridge during the Guadalcanal campaign. U.S. Marines protecting Henderson Field on Guadalcanal are attacked by Imperial Japanese Army forces.
- 1944 –World War II: The liberation of Serbia from Nazi Germany and the Chetniks continues. Bajina Bašta in western Serbia is among those liberated cities. Near Trier, American troops enter Germany for the first time.
- 1959 –Premiere of Bonanza, the first regularly scheduled TV program presented in color.
- 1964 –Canyonlands National Park is designated as a National Park.
- 1966 –Gemini 11, the penultimate mission of NASA’s Gemini program, and the current human altitude record holder (except for the Apollo lunar missions)
- 1970 –Palestinian terrorists blow up three hijacked airliners in Jordan, continuing to hold the passengers hostage in various undisclosed locations in Amman.
- 1974 –Juventude Africana Amilcar Cabral is founded in Guinea-Bissau.
- 1988 –Hurricane Gilbert devastates Jamaica; it turns towards Mexico’s Yucatán Peninsula 2 days later, causing an estimated $5 billion in damage.
- 2001 –Ansett Australia, Australia’s first commercial interstate airline, collapses due to increased strain on the international airline industry, leaving 10,000 people unemployed.
- 2003 –The United Nations lifts sanctions against Libya after that country agreed to accept responsibility and recompense the families of victims in the 1988 bombing of Pan Am Flight 103.
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