About April 1

April 1, 2025 is the 91st day of the year 2025 in the Gregorian calendar. There are 274 days remaining until the end of this year. The day of the week is Tuesday.

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

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 1
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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 322 days remaining before the start of the next Chinese New Year.

April 1: More About This Day

April 1 is most notable in many countries for being April Fools’ Day.

What Happened On April 1

  • 1293
    Robert Winchelsey leaves England for Rome, to be consecrated as Archbishop of Canterbury.
  • 1340
    Niels Ebbesen kills Gerhard III of Holstein in his bedroom, ending the 1332-1340 interregnum in Denmark.
  • 1833
    The Convention of 1833, a political gathering of settlers in Mexican Texas to help draft a series of petitions to the Mexican government, begins in San Felipe de Austin
  • 1871
    The first stage of the Brill Tramway opened.
  • 1887
    Mumbai Fire Brigade is established.
  • 1918
    The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
  • 1924
    The Royal Canadian Air Force is formed.
  • 1936
    Orissa formerly known as Kalinga or Utkal becomes a state in India.
  • 1937
    Aden becomes a British crown colony. Bombing of Jaén, Spain by Nazi forces.
  • 1941
    The Blockade Runner Badge for the German navy is instituted.
  • 1946
    Formation of the Malayan Union.
  • 1948
    Faroe Islands receive autonomy from Denmark.
  • 1954
    President Dwight D. Eisenhower authorizes the creation of the United States Air Force Academy in Colorado.
  • 1959
    Iakovos is enthroned as Greek Orthodox Archbishop of America.
  • 1967
    The United States Department of Transportation begins operation.
  • 1973
    Project Tiger, a tiger conservation project, is launched in the Corbett National Park, India.
  • 1974
    In the United Kingdom, the Metropolitan and non-metropolitan counties come into being.
  • 1976
    The Jovian–Plutonian gravitational effect hoax is first reported by British astronomer Patrick Moore.
  • 2001
    Same-sex marriage becomes legal in the Netherlands, the first country to allow it.
  • 2011
    After protests against the burning of the Quran turned violent, a mob attacked a United Nations compound in Mazar-i-Sharif, Afghanistan and killed thirteen people, including eight foreign workers.

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