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.
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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
- 1533 –The marriage of King Henry VIII to Catherine of Aragon is declared null and void.
- 1568 –Dutch rebels led by Louis of Nassau, brother of William I of Orange, defeat Jean de Ligne, Duke of Aremberg and his loyalist troops in the Battle of Heiligerlee, opening the Eighty Years’ War.
- 1568 –The Netherlands declare their independence from Spain.
- 1609 –Official ratification of the Second Charter of Virginia takes place.
- 1618 –The Second Defenestration of Prague precipitates the Thirty Years’ War.
- 1805 –Napoleon Bonaparte is crowned King of Italy with the Iron Crown of Lombardy in the Cathedral of Milan.
- 1829 –Accordion patent granted to Cyrill Demian in Vienna.
- 1844 –Declaration of the Báb: a merchant of Shiraz announces that he is a Prophet and founds a religious movement that would later be brutally crushed by the Persian government. He is considered to be a forerunner of the Bahá'í Faith, and Bahá'ís celebrate the day as a holy day.
- 1846 –Mexican-American War: President Mariano Paredes of Mexico unofficially declares war on the United States.
- 1911 –The New York Public Library is dedicated.
- 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.
- 1945 –World War II: Heinrich Himmler, the head of the SS, commits suicide while in Allied custody.
- 1945 –World War II: The Flensburg government under Reichspräsident Karl Dönitz is dissolved when its members are captured and arrested by British forces at Flensburg in Northern Germany.
- 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.
- 1990 –Jordan Mack was born.
- 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.
- 2006 –Alaskan stratovolcano Mount Cleveland erupts.
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