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.

You can browse the full year calendar in case you need it.

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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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