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.
- 1764 –Edward Gibbon observes a group of friars singing in the ruined Temple of Jupiter in Rome, which inspires him to begin work on The History of the Decline and Fall of the Roman Empire.
- 1864 –American Civil War: The Battle of Glasgow is fought, resulting in the surrender of Glasgow, Missouri, and its Union garrison, to the Confederacy.
- 1878 –The Edison Electric Light Company begins operation.
- 1888 –The “From Hell” letter sent by Jack the Ripper is received by investigators.
- 1917 –World War I: At Vincennes outside of Paris, Dutch dancer Mata Hari is executed by firing squad for spying for the German Empire.
- 1951 –Mexican chemist Luis E. Miramontes conducts the very last step of the first synthesis of norethisterone, the progestin that would later be used in one of the first two oral contraceptives.
- 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.
- 1966 –Black Panther Party is created by Huey P. Newton and Bobby Seale.
- 1970 –The domestic Soviet Aeroflot Flight 244 is hijacked and diverted to Turkey.
- 1970 –Thirty-five construction workers are killed when a section of the new West Gate Bridge in Melbourne collapses.
- 1987 –The Great Storm of 1987 hits France and England.
- 1997 –The Cassini probe launches from Cape Canaveral on its way to Saturn.
- 2003 –China launches Shenzhou 5, its first manned space mission.
- 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.
- 2007 –Seventeen activists in New Zealand are arrested in the country’s first post 9/11 anti-terrorism raids.
- 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 –Global protests break out in 951 cities in 82 countries.
- 2011 –Legoland Florida in Winter Haven, Florida Opens. This is the world’s largest Legoland theme park
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