About October 15
October 15, 2025 is the 288th day of the year 2025 in the Gregorian calendar. There are 77 days remaining until the end of this year. The day of the week is Wednesday.
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Libra is the sun sign of a person born on this day. Opal is the modern birthstone for this month. Jasper is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 125 days remaining before the start of the next Chinese New Year.
What Happened On October 15
- 1529 –The Siege of Vienna ends as the Austrians rout the invading Turks, turning the tide against almost a century of unchecked conquest throughout eastern and central Europe by the Ottoman Empire.
- 1582 –Pope Gregory XIII implements the Gregorian calendar. In Italy, Poland, Portugal, and Spain, October 4 of this year is followed directly by October 15.
- 1783 –The Montgolfier brothers’ hot air balloon marks the first human ascent, by Jean-François Pilâtre de Rozier, (tethered balloon).
- 1815 –Napoleon I of France begins his exile on Saint Helena in the Atlantic Ocean.
- 1863 –American Civil War: The H. L. Hunley, the first submarine to sink a ship, sinks during a test, killing its inventor, Horace L. Hunley.
- 1878 –The Edison Electric Light Company begins operation.
- 1894 –The Dreyfus affair: Alfred Dreyfus is arrested for spying.
- 1917 –World War I: At Vincennes outside of Paris, Dutch dancer Mata Hari is executed by firing squad for spying for the German Empire.
- 1940 –The President of Catalonia, Lluís Companys, is executed by the Spanish dictatorship of Francisco Franco, making him the only European president to have been executed.
- 1956 –Fortran, the first modern computer language, is shared with the coding community for the first time.
- 1965 –Vietnam War: The Catholic Worker Movement stages an anti-war rally in Manhattan including a public burning of a draft card; the first such act to result in arrest under a new amendment to the Selective Service Act.
- 1969 –Vietnam War; The Moratorium to End the War in Vietnam is held in Washington DC and across the US. Over 2 million demonstrate nationally; about 250,000 in the nation’s capitol.
- 1971 –The start of the 2500-year celebration of Iran, celebrating the birth of Persia.
- 1987 –The Great Storm of 1987 hits France and England.
- 1989 –Wayne Gretzky becomes the all-time leading points scorer in the NHL.
- 1990 –Soviet Union leader Mikhail Gorbachev is awarded the Nobel Peace Prize for his efforts to lessen Cold War tensions and open up his nation.
- 1997 –The Cassini probe launches from Cape Canaveral on its way to Saturn.
- 2003 –The Staten Island Ferry boat Andrew J. Barberi runs into a pier at the St. George Ferry Terminal in Staten Island, killing 11 people and injuring 43.
- 2008 –The Dow Jones Industrial Average closed down 733.08 points, or 7.87%, the second worst day in the Dow’s history based on a percentage drop.
- 2011 –Legoland Florida in Winter Haven, Florida Opens. This is the world’s largest Legoland theme park
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