About February 23
February 23, 2025 is the 54th day of the year 2025 in the Gregorian calendar. There are 311 days remaining until the end of this year. The day of the week is Sunday.
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Pisces is the sun sign of a person born on this day. Amethyst is the modern birthstone for this month. Bloodstone is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 359 days remaining before the start of the next Chinese New Year.
What Happened On February 23
- 303 –Roman Emperor Diocletian orders the destruction of the Christian church in Nicomedia, beginning eight years of Diocletianic Persecution.
- 1739 –Richard Palmer is identified at York Castle, by his former schoolteacher, as the outlaw Dick Turpin.
- 1820 –Cato Street Conspiracy: A plot to murder all the British cabinet ministers is exposed.
- 1854 –The official independence of the Orange Free State is declared.
- 1887 –The French Riviera is hit by a large earthquake, killing around 2,000.
- 1896 –The Tootsie Roll is invented.
- 1900 –In South Africa, Boers and British troops fight in the Battle of Hart’s Hill.
- 1905 –Chicago attorney Paul Harris and three other businessmen meet for lunch to form the Rotary Club, the world’s first service club.
- 1909 –The AEA Silver Dart makes the first powered flight in Canada and the British Empire.
- 1917 –First demonstrations in Saint Petersburg, Russia. The beginning of the February Revolution.
- 1927 –German theoretical physicist Werner Heisenberg writes a letter to fellow physicist Wolfgang Pauli, in which he describes his uncertainty principle for the first time.
- 1942 –World War II: Japanese submarines fire artillery shells at the California coastline near Santa Barbara.
- 1945 –World War II: The German town of Pforzheim is completely destroyed in a raid by 379 British bombers.
- 1945 –World War II: The capital of the Philippines, Manila, is liberated by combined Filipino and American forces.
- 1947 –The International Organization for Standardization (ISO) is founded.
- 1954 –The first mass inoculation of children against polio with the Salk vaccine begins in Pittsburgh.
- 1974 –The Symbionese Liberation Army demands $4 million more to release kidnap victim Patty Hearst.
- 1987 –Supernova 1987a is seen in the Large Magellanic Cloud.
- 1998 –In the United States, tornadoes in central Florida destroy or damage 2,600 structures and kill 42.
- 1999 –An avalanche destroys the Austrian village of Galtür, killing 31.
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