About October 20
October 20, 2025 is the 293rd day of the year 2025 in the Gregorian calendar. There are 72 days remaining until the end of this year. The day of the week is Monday.
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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 120 days remaining before the start of the next Chinese New Year.
What Happened On October 20
- 1548 –The city of Nuestra Señora de La Paz (Our Lady of Peace) is founded by Alonso de Mendoza by appointment of the king of Spain and Holy Roman Emperor, Charles V.
- 1818 –The Convention of 1818 signed between the United States and the United Kingdom which, among other things, settled the Canada – United States border on the 49th parallel for most of its length.
- 1827 –Battle of Navarino – a combined Turkish and Egyptian armada is defeated by British, French, and Russian naval force in the port of Navarino in Pylos, Greece.
- 1873 –Yale, Princeton, Columbia, and Rutgers universities draft the first code of American football rules.
- 1904 –Chile and Bolivia sign the Treaty of Peace and Friendship, delimiting the border between the two countries.
- 1917 –The Military Revolutionary Committee of the Petrograd Soviet, in charge of preparation and carrying out the Russian Revolution, holds its first meeting.
- 1935 –The Long March ends.
- 1939 –Pope Pius XII publishes his first major encyclical entitled Summi Pontificatus.
- 1941 –World War II: Thousands of civilians in Kragujevac in German-occupied Serbia are killed in the Kragujevac massacre.
- 1943 –The cargo vessel Sinfra is attacked by Allied aircraft at Suda Bay, Crete, and sunk. 2,098 Italian prisoners of war drown with it.
- 1944 –Liquid natural gas leaks from storage tanks in Cleveland, then explodes; the explosion and resulting fire level 30 blocks and kill 130.
- 1944 –The Soviet Army and Yugoslav Partisans liberate Belgrade, the capital of Yugoslavia
- 1951 –The “Johnny Bright Incident” occurs in Stillwater, Oklahoma
- 1952 –Governor Evelyn Baring declares a state of emergency in Kenya and begins arresting hundreds of suspected leaders of the Mau Mau Uprising, including Jomo Kenyatta, the future first President of Kenya.
- 1961 –The Soviet Union performs the first armed test of a submarine-launched ballistic missile, launching an R-13 from a Golf class submarine.
- 1976 –The ferry George Prince‘’is struck by a ship while crossing the Mississippi River between Destrehan and Luling, Louisiana. Seventy-eight passengers and crew die and only 18 people aboard the ferry survive.
- 1977 –A plane carrying Lynyrd Skynyrd crashes in Mississippi, killing lead singer Ronnie Van Zant and guitarist Steve Gaines along with backup singer Cassie Gaines, the road manager, pilot, and co-pilot.
- 1982 –During the UEFA Cup match between FC Spartak Moscow and HFC Haarlem, 66 people are crushed to death in the Luzhniki disaster.
- 1991 –The Oakland Hills firestorm kills 25 and destroys 3,469 homes and apartments, causing more than $2 billion in damage.
- 2011 –The former leader of Libya, Muammar Gaddafi, and his son Moatassem Gaddafi are killed shortly after the battle of Sirte (2011) while in the custody of NTC fighters.
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