About October 27
October 27, 2025 is the 300th day of the year 2025 in the Gregorian calendar. There are 65 days remaining until the end of this year. The day of the week is Monday.
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Scorpio 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 113 days remaining before the start of the next Chinese New Year.
What Happened On October 27
- 1682 –Philadelphia, Pennsylvania is founded.
- 1795 –The United States and Spain sign the Treaty of Madrid, which establishes the boundaries between Spanish colonies and the U.S.
- 1827 –Bellini’s third opera Il pirata is premiered at Teatro alla Scala di Milano
- 1914 –World War I: The British super-dreadnought battleship HMS Audacious (23,400 tons), is sunk off Tory Island, north-west of Ireland, by a minefield laid by the armed German merchant-cruiser Berlin.
- 1922 –A referendum in Rhodesia rejects the country’s annexation to the South African Union.
- 1930 –ratifications exchanged in London, for the first London Naval Treaty signed in April modifying the 1925 Washington Naval Treaty and the arms limitation treaty’s modified provisions go into effect immediately; further limiting the expensive naval arms race between its five signatories.
- 1948 –Léopold Sédar Senghor founds the Senegalese Democratic Bloc.
- 1954 –Benjamin O. Davis Jr. becomes the first African-American general in the United States Air Force.
- 1962 –Major Rudolf Anderson of the United States Air Force becomes the only direct human casualty of the Cuban Missile Crisis when his U-2 reconnaissance airplane is shot down in Cuba by a Soviet-supplied SA-2 Guideline surface-to-air missile.
- 1971 –The Democratic Republic of the Congo is renamed Zaire.
- 1981 –The Soviet submarine U 137 runs aground on the east coast of Sweden.
- 1991 –Turkmenistan achieves independence from the Soviet Union.
- 1992 –United States Navy radioman Allen R. Schindler, Jr. is brutally murdered by shipmate Terry M. Helvey for being gay, precipitating first military, then national, debate about gays in the military that resulted in the United States “Don't ask, don't tell” military policy.
- 1994 –The U.S. prison population tops 1 million for the first time in American history.
- 1995 –Former Prime Minister of Italy Bettino Craxi is convicted in absentia of corruption.
- 1995 –Latvia applies for membership in the European Union.
- 1999 –Gunmen open fire in the Armenian Parliament, killing Prime Minister Vazgen Sargsyan, Parliament Chairman Karen Demirchyan, and 6 other members.
- 2005 –Riots begin in Paris after the deaths of two Muslim teenagers.
- 2005 –The SSETI Express micro-satellite is successfully launched from the Plesetsk Cosmodrome.
- 2011 –The Royal Australian Navy announces that they discovered the wreck of a World War II submarine in Simpson Harbour, Papua New Guinea during Operation RENDER SAFE - it is likely to be Japanese.
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