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.
  • 1814
    The Convention of London, a treaty between the United Kingdom and the United Provinces, is signed in London.
  • 1898
    Carl Gustav Witt discovers 433 Eros, the first near-Earth asteroid to be found.
  • 1898
    Spanish–American War: Spanish and American forces engaged in a mock battle for Manila, after which the Spanish commander surrendered in order to keep the city out of Filipino rebel hands.
  • 1906
    The all black infantrymen of the U.S. Army’s 25th Infantry Regiment are accused of killing a white bartender and wounding a white police officer in Brownsville, Texas, despite exculpatory evidence; all are later dishonorably discharged.
  • 1913
    First production in the UK of stainless steel by Harry Brearley.
  • 1918
    Bayerische Motoren Werke AG (BMW) established as a public company in Germany.
  • 1918
    Women enlist in the United States Marine Corps for the first time. Opha Mae Johnson is the first woman to enlist.
  • 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.
  • 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.
  • 1968
    Alexandros Panagoulis attempts to assassinate the Greek dictator Colonel Georgios Papadopoulos in Varkiza, Athens.
  • 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.
  • 1978
    150 Palestinians in Beirut are killed in a terrorist attack during the second phase of the Lebanese Civil War.
  • 2004
    156 Congolese Tutsi refugees are massacred at the Gatumba refugee camp in Burundi.
  • 2004
    Hurricane Charley, a Category 4 storm, strikes Punta Gorda, Florida and devastates the surrounding area.
  • 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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