What are the important events that happened on April 23? Here are historical events, facts, and some myths about this day.

April 23: Facts & Myths About This Day

April 23 is the 113^th day of the year 2025 in the Gregorian calendar. There are 252 days remaining until the end of this year. The day of the week is Wednesday.

Under the Julian calendar, this day is April 10, 2025 – a Wednesday. Both day of the week are the same but did you notice the difference with the Gregorian calendar?

When this day started, 1,745,366,400 seconds has elapsed since midnight of January 1, 1970 – the Unix epoch.

Strange as it may, if we name this day after a polygon then it will be called ‘hectadecatrigon’ day.

Taurus is the zodiac sign of a person born on this day. Diamond is the modern birthstone for this month. Opal is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 300 days remaining before the start of the next Chinese New Year.

The ancient Maya civilization believes that the end of the world will happen on December 21, 2012. There are now 4,506 days since this fabled cataclysmic event.

April 23 Historical Events

• 1635 –
  The first public school in the United States, Boston Latin School, is founded in Boston, Massachusetts.
• 1661 –
  King Charles II of England, Scotland and Ireland is crowned in Westminster Abbey.
• 1920 –
  The Grand National Assembly of Turkey (TBMM) is founded in Ankara.
• 1932 –
  The 153-year old De Adriaan Windmill in Haarlem, Netherlands burns down. It is rebuilt and reopens exactly 70 years later.
• 1935 –
  The Polish Constitution of 1935 is adopted.
• 1942 –
  World War II: Baedeker Blitz – German bombers hit Exeter, Bath and York in retaliation for the British raid on Lübeck.
• 1967 –
  Soviet space program: Soyuz 1 (Russian: Союз 1, Union 1) is a manned spaceflight, Launched into orbit carrying cosmonaut Colonel Vladimir Komarov.
• 1968 –
  Vietnam War: Student protesters at Columbia University in New York City take over administration buildings and shut down the university.
• 1997 –
  Omaria massacre in Algeria: 42 villagers are killed.
• 2003 –
  Beijing closes all schools for two weeks because of the SARS virus.

Who were born on April 23?

• 1775 –
  J. M. W. Turner, English painter (d. 1851)
• 1858 –
  Max Planck, German physicist, Nobel Prize laureate (d. 1947)
• 1865 –
  Ali-Agha Shikhlinski, Russian-Azerbaijani general (d. 1943)
• 1867 –
  Johannes Andreas Grib Fibiger, Danish scientist, recipient of the Nobel Prize in Physiology or Medicine (d. 1928)
• 1936 –
  Roy Orbison, American singer and musician (d. 1988)
• 1939 –
  Ray Peterson, American singer (d. 2005)
• 1942 –
  Sandra Dee, American actress (d. 2005)
• 1960 –
  Valerie Bertinelli, American actress
• 1983 –
  Daniela Hantuchová, Slovakian tennis player
• 1987 –
  Emily Fox, American cup stacker and basketball player

Who died on April 23?

• 303 –
  Saint George, Roman soldier and Christian martyr
• 997 –
  Saint Adalbert of Prague, bishop (b. c. 956)
• 1907 –
  Alferd Packer, American prospector and accused cannibal (b. 1842)
• 1915 –
  Rupert Brooke, English poet (b. 1887)
• 1984 –
  Red Garland, American jazz pianist (b. 1923)
• 1998 –
  James Earl Ray, American assassin (b. 1928)
• 1998 –
  Konstantinos Karamanlis, Greek politician (b. 1907)
• 2005 –
  Al Grassby, Australian immigration minister (b. 1928)
• 2005 –
  Sir John Mills, English actor (b. 1908)
• 2011 –
  John Sullivan, British comedy writer (b. 1946)