About April 20

April 20, 2025 is the 110th day of the year 2025 in the Gregorian calendar. There are 255 days remaining until the end of this year. The day of the week is Sunday.

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

MyFirstName.Rocks What no one tells you about your first name’s personality. Are there magical powers in your given name? Check out Ian’s personality today! (Sponsored links)

Aries is the sun 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 303 days remaining before the start of the next Chinese New Year.

What Happened On April 20

  • 1323
    The University of Rome La Sapienza is instituted by Pope Boniface VIII.
  • 1453
    The last naval battle in Byzantine history occurs, as three Genoese galleys escorting a Byzantine transport fight their way through the huge Ottoman blockade fleet and into the Golden Horn.
  • 1653
    Oliver Cromwell dissolves the Rump Parliament.
  • 1657
    Admiral Robert Blake destroys a Spanish silver fleet under heavy fire at Santa Cruz de Tenerife.
  • 1657
    Freedom of religion is granted to the Jews of New Amsterdam (later New York City).
  • 1689
    The former King James II of England, now deposed, lays siege to Derry.
  • 1792
    France declares war on Austria, the beginning of French Revolutionary Wars.
  • 1818
    The case of Ashford v Thornton ends, with Abraham Thornton allowed to go free rather than face a retrial for murder, after his demand for trial by battle is upheld.
  • 1836
    U.S. Congress passes an act creating the Wisconsin Territory.
  • 1862
    Louis Pasteur and Claude Bernard complete the first pasteurization tests.
  • 1865
    Astronomer Pietro Angelo Secchi demonstrates the Secchi disk, which measures water clarity, aboard Pope Pius IX’s yacht, the L’Immaculata Concezion.
  • 1912
    Opening day for baseball’s Tiger Stadium in Detroit, Michigan, and Fenway Park in Boston, Massachusetts.
  • 1914
    19 men, women, and children die in the Ludlow Massacre during a Colorado coal-miner’s strike.
  • 1918
    Manfred von Richthofen, aka The Red Baron, shoots down his 79th and 80th victims, his final victories before his death the following day.
  • 1945
    World War II: Fuehrerbunker: Adolf Hitler makes his last trip to the surface to award Iron Crosses to boy soldiers of the Hitler Youth.
  • 1968
    English politician Enoch Powell makes his controversial Rivers of Blood speech.
  • 1972
    Apollo 16, commanded by John Young, lands on the moon.
  • 1980
    Climax of Berber Spring in Algeria as hundreds of Berber political activists are arrested.
  • 1985
    The ATF raids The Covenant, The Sword, and the Arm of the Lord compound in northern Arkansas.
  • 1986
    Pianist Vladimir Horowitz performs in his native Russia for the first time in 61 years.

DayOfTheWeek.org Are you looking for a day of the week calculator? Try it on any date like anniversaries, birthday of someone you know, or any other date that is special to you. You can even try it on historical dates. For example: April 20
(Sponsored by DayOfTheWeek.org)



Share or Link to This Page: