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
- 1000 –The foundation of the Hungarian state by Saint Stephen. Today celebrated as a National Day in Hungary.
- 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.
- 1710 –War of the Spanish Succession: a multinational army led by the Austrian commander Guido Starhemberg defeats the Spanish-Bourbon army commanded by the Marquis de Bay in the Battle of Saragossa.
- 1794 –Battle of Fallen Timbers – American troops force a confederacy of Shawnee, Mingo, Delaware, Wyandot, Miami, Ottawa, Chippewa, and Potawatomi warriors into a disorganized retreat.
- 1866 –President Andrew Johnson formally declares the American Civil War over.
- 1914 –World War I: German forces occupy Brussels.
- 1955 –In Morocco, a force of Berbers from the Atlas Mountains region of Algeria raid two rural settlements and kill 77 French nationals.
- 1975 –Viking Program: NASA launches the Viking 1 planetary probe toward Mars.
- 1977 –Voyager Program: NASA launches the Voyager 2 spacecraft.
- 1986 –In Edmond, Oklahoma, U.S. Postal employee Patrick Sherrill guns down 14 of his co-workers and then commits suicide.
- 1988 –Iran–Iraq War: a cease-fire is agreed after almost eight years of war.
- 1988 –Peru becomes a member of the Berne Convention copyright treaty.
- 1988 –The Troubles: Eight British Army soldiers are killed and 28 wounded when their bus is hit by a Provisional Irish Republican Army roadside bomb in Northern Ireland (see Ballygawley bus bombing).
- 1989 –The pleasure boat Marchioness sinks on the River Thames following a collision, 51 people are killed.
- 1991 –Dissolution of the Soviet Union, August Coup: more than 100,000 people rally outside the Soviet Union’s parliament building protesting the coup aiming to depose President Mikhail Gorbachev.
- 1993 –After rounds of secret negotiations in Norway, the Oslo Peace Accords are signed, followed by a public ceremony in Washington, D.C. the following month.
- 1998 –The Supreme Court of Canada rules that Quebec cannot legally secede from Canada without the federal government’s approval.
- 2002 –A group of Iraqis opposed to the regime of Saddam Hussein take over the Iraqi Embassy in Berlin for five hours before releasing their hostages and surrendering.
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