About August 11
August 11, 2025 is the 223rd day of the year 2025 in the Gregorian calendar. There are 142 days remaining until the end of this year. The day of the week is Monday.
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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 190 days remaining before the start of the next Chinese New Year.
What Happened On August 11
- 3114 BC –The Mesoamerican Long Count calendar, used by several pre-Columbian Mesoamerican civilizations, notably the Mayans, begins.
- 2492 BC –Traditional date of the defeat of Bel by Hayk, progenitor and founder of the Armenian nation.
- 355 –Claudius Silvanus, accused of treason, proclaims himself Roman Emperor against Constantius II.
- 1804 –Francis II assumes the title of first Emperor of Austria.
- 1812 –Peninsular War: French troops engage British-Portuguese forces in the Battle of Majadahonda.
- 1918 –World War I: the Battle of Amiens ends.
- 1919 –The constitution of the Weimar Republic is adopted.
- 1920 –The Latvian–Soviet Peace Treaty, which relinquished Russia’s authority and pretenses to Latvia, is signed, ending the Latvian War of Independence.
- 1929 –Babe Ruth becomes the first baseball player to hit 500 home runs in his career with a home run at League Park in Cleveland, Ohio.
- 1934 –The first civilian prisoners arrive at the Federal prison on Alcatraz Island.
- 1952 –Hussein bin Talal is proclaimed King of Jordan.
- 1959 –Sheremetyevo International Airport, the second-largest airport in Russia, opens.
- 1960 –Chad declares independence.
- 1961 –The former Portuguese territories in India of Dadra and Nagar Haveli are merged to create the Union Territory Dadra and Nagar Haveli.
- 1972 –Vietnam War: the last United States ground combat unit leaves South Vietnam.
- 1984 –“We begin bombing in five minutes” - United States President Ronald Reagan, while running for re-election, jokes while preparing to make his weekly Saturday address on National Public Radio.
- 1999 –The Salt Lake City Tornado tears through the downtown district of the city, killing one.
- 2003 –A heat wave in Paris results in temperatures rising to 112 °F, leaving about 144 people dead.
- 2003 –NATO takes over command of the peacekeeping force in Afghanistan, marking its first major operation outside Europe in its 54-year-history.
- 2003 –The highest temperature ever seen in Great Britain (38.1 °C) is recorded at Gravesend, Kent.
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