About August 20
August 20, 2025 is the 232nd day of the year 2025 in the Gregorian calendar. There are 133 days remaining until the end of this year. The day of the week is Wednesday.
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Leo is the sun sign of a person born on this day. Peridot is the modern birthstone for this month. Diamond is the mystical birthstone from Tibetan origin that dates back over a thousand years.
According to the lunisolar Chinese calendar, there are 181 days remaining before the start of the next Chinese New Year.
What Happened On August 20
- 20 –Agrippa Postumus, adoptive-son of the late Roman Emperor Augustus, is executed by his guards while in exile under mysterious circumstances
- 917 –Battle of Acheloos: Tsar Simeon I of Bulgaria decisively defeats a Byzantine army.
- 1083 –Canonization of the first King of Hungary, Saint Stephen and his son Saint Emeric.
- 1308 –Pope Clement V pardons Jacques de Molay, the last Grand Master of the Knights Templar, absolving him of charges of heresy.
- 1391 –Konrad von Wallenrode becomes the 24th Hochmeister of the Teutonic Order.
- 1672 –Former Grand Pensionary Johan de Witt and his brother Cornelis are brutally murdered by an angry mob in The Hague.
- 1858 –Charles Darwin first publishes his theory of evolution through natural selection in The Journal of the Proceedings of the Linnean Society of London, alongside Alfred Russel Wallace’s same theory.
- 1910 –The Great Fire of 1910 (also commonly referred to as the Big Blowup or the Big Burn) occurred in northeast Washington, northern Idaho (the panhandle), and western Montana, burning approximately 3 e6acre.
- 1914 –World War I: German forces occupy Brussels.
- 1920 –The National Football League, (NFL), is founded in the United States.
- 1920 –The first commercial radio station, 8MK (now WWJ), begins operations in Detroit, Michigan.
- 1938 –Lou Gehrig hits his 23rd career grand slam – a record that still stands.
- 1940 –British Prime Minister Winston Churchill makes the fourth of his famous wartime speeches, containing the line “Never was so much owed by so many to so few”.
- 1955 –In Morocco, a force of Berbers from the Atlas Mountains region of Algeria raid two rural settlements and kill 77 French nationals.
- 1960 –Senegal breaks from the Mali Federation, declaring its independence.
- 1977 –Voyager Program: NASA launches the Voyager 2 spacecraft.
- 1988 –“Black Saturday” of the Yellowstone fire in Yellowstone National Park
- 1988 –Peru becomes a member of the Berne Convention copyright treaty.
- 1991 –Estonia, annexed by the Soviet Union in 1940, issues a decision on the re-establishment of independence on the basis of historical continuity of her pre-World War II statehood.
- 1997 –Souhane massacre in Algeria; over 60 people are killed and 15 kidnapped.
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