About August 13

August 13, 2025 is the 225th day of the year 2025 in the Gregorian calendar. There are 140 days remaining until the end of this year. The day of the week is Wednesday.

You can browse the full year calendar in case you need it.

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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 188 days remaining before the start of the next Chinese New Year.

What Happened On August 13

  • 1516
    The Treaty of Noyon between France and Spain is signed. Francis I of France recognises Charles’s claim to Naples, and Charles V, Holy Roman Emperor, recognises Francis’s claim to Milan.
  • 1521
    Tenochtitlán (present day Mexico City) falls to conquistador Hernán Cortés.
  • 1536
    Buddhist monks from Kyōto’s Enryaku-ji temple set fire to 21 Nichiren temples throughout in what will be known as the Tenbun Hokke Disturbance. (Traditional Japanese date: July 27, 1536).
  • 1553
    Michael Servetus is arrested by John Calvin in Geneva as a heretic.
  • 1704
    War of the Spanish Succession: Battle of Blenheim – English and Austrian forces are victorious over French and Bavarian troops.
  • 1806
    Battle of Mišar during the Serbian revolution begins. The battle will end two days later, with a decisive Serbian victory over the Ottomans.
  • 1831
    Nat Turner sees a solar eclipse, which he believes is a sign from God. Eight days later he and 70 other slaves kill approximately 55 whites in Southampton County, Virginia.
  • 1898
    Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
  • 1918
    Bayerische Motoren Werke AG (BMW) established as a public company in Germany.
  • 1920
    Polish-Soviet War: the Battle of Warsaw begins and will last till August 25. The Red Army is defeated.
  • 1937
    The Battle of Shanghai begins.
  • 1942
    Major General Eugene Reybold of the U.S. Army Corps of Engineers authorizes the construction of facilities that would house the “Development of Substitute Materials” project, better known as the Manhattan Project.
  • 1960
    The Central African Republic declares independence from France.
  • 1961
    The German Democratic Republic closes the border between the eastern and western sectors of Berlin to thwart its inhabitants’ attempts to escape to the West.
  • 1962
    Representatives from the Russian Orthodox Church and the Holy See meet in Metz, France, and come to an agreement wherein the Russian church would send observers to the Second Vatican Council and in exchange, the Roman Catholic Church would refuse to condemn Communism.
  • 1969
    The Apollo 11 astronauts are released from a three-week quarantine to enjoy a ticker-tape parade in New York. That evening, at a state dinner in Los Angeles, they are awarded the Presidential Medal of Freedom by U.S. President Richard Nixon.
  • 1979
    The roof of the uncompleted Rosemont Horizon near Chicago, Illinois collapses, killing 5 workers and injuring 16.
  • 2004
    156 Congolese Tutsi refugees are massacred at the Gatumba refugee camp in Burundi.
  • 2008
    South Ossetian War: Russian units occupy the Georgian city of Gori.
  • 2011
    The main stage collapses at the Indiana State Fair in Indianapolis during a hurricane-force wind gust ahead of an approaching severe thunderstorm, killing 7 and injuring 45.

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