About May 23

May 23, 2025 is the 143rd day of the year 2025 in the Gregorian calendar. There are 222 days remaining until the end of this year. The day of the week is Friday.

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

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Gemini is the sun sign of a person born on this day. Emerald is the modern birthstone for this month. Sapphire is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 270 days remaining before the start of the next Chinese New Year.

What Happened On May 23

  • 1430
    Siege of Compiègne: Joan of Arc is captured by the Burgundians while leading an army to relieve Compiègne.
  • 1498
    Girolamo Savonarola is burned at the stake in Florence, Italy, on the orders of Pope Alexander VI.
  • 1568
    The Netherlands declare their independence from Spain.
  • 1618
    The Second Defenestration of Prague precipitates the Thirty Years’ War.
  • 1788
    South Carolina ratifies the Constitution as the 8th American state.
  • 1813
    South American independence leader Simón Bolívar enters Mérida, leading the invasion of Venezuela, and is proclaimed El Libertador (“The Liberator”).
  • 1846
    Mexican-American War: President Mariano Paredes of Mexico unofficially declares war on the United States.
  • 1900
    American Civil War: Sergeant William Harvey Carney becomes the first African American to be awarded the Medal of Honor, for his heroism in the Assault on the Battery Wagner in 1863.
  • 1911
    The New York Public Library is dedicated.
  • 1934
    American bank robbers Bonnie and Clyde are ambushed by police and killed in Black Lake, Louisiana.
  • 1934
    The Auto-Lite Strike culminates in the “Battle of Toledo”, a five-day melée between 1,300 troops of the Ohio National Guard and 6,000 picketers.
  • 1939
    The U.S. Navy submarine USS Squalus sinks off the coast of New Hampshire during a test dive, causing the death of 24 sailors and two civilian technicians. The remaining 32 sailors and one civilian naval architect are rescued the following day.
  • 1948
    Thomas C. Wasson, US Consul-General assassinated in Jerusalem.
  • 1949
    The Federal Republic of Germany is established and the Basic Law for the Federal Republic of Germany is proclaimed.
  • 1951
    Tibetans sign the Seventeen Point Agreement for the Peaceful Liberation of Tibet with the People’s Republic of China.
  • 1995
    Oklahoma City bombing: In Oklahoma City, Oklahoma, the remains of the Alfred P. Murrah Federal Building are imploded.
  • 1998
    The Good Friday Agreement is accepted in a referendum in Northern Ireland with 75% voting yes.
  • 2002
    The “55 parties” clause of the Kyoto protocol is reached after its ratification by Iceland.
  • 2004
    Part of Paris-Charles de Gaulle Airport’s Terminal 2E collapses, killing four people and injuring three others.
  • 2006
    Alaskan stratovolcano Mount Cleveland erupts.

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