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.
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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
- 527 –Byzantine Emperor Justin I names his nephew Justinian I as co-ruler and successor to the throne.
- 1340 –Niels Ebbesen kills Gerhard III of Holstein in his bedroom, ending the 1332-1340 interregnum in Denmark.
- 1572 –In the Eighty Years’ War, the Watergeuzen capture Brielle from the Spaniards, gaining the first foothold on land for what would become the Dutch Republic.
- 1854 –Hard Times begins serialisation in Charles Dickens’ magazine, Household Words.
- 1865 –American Civil War: Battle of Five Forks – In Siege of Petersburg, Confederate General Robert E. Lee begins his final offensive.
- 1871 –The first stage of the Brill Tramway opened.
- 1908 –The Territorial Force (renamed Territorial Army in 1920) is formed as a volunteer reserve component of the British Army.
- 1918 –The Royal Air Force is created by the merger of the Royal Flying Corps and the Royal Naval Air Service.
- 1936 –Orissa formerly known as Kalinga or Utkal becomes a state in India.
- 1944 –Navigation errors lead to an accidental American bombing of the Swiss city of Schaffhausen.
- 1947 –Paul becomes king of Greece, on the death of his childless elder brother, George II.
- 1955 –The EOKA rebellion against The British Empire begins in Cyprus, with the goal of obtaining the desired unification (“enosis”) with Greece.
- 1973 –Project Tiger, a tiger conservation project, is launched in the Corbett National Park, India.
- 1976 –Conrail takes over operations from six bankrupt railroads in the Northeastern U.S.
- 1976 –The Jovian–Plutonian gravitational effect hoax is first reported by British astronomer Patrick Moore.
- 1979 –Iran becomes an Islamic Republic by a 98% vote, officially overthrowing the Shah.
- 1992 –Start of the Bosnian war.
- 2001 –Former President of Federal Republic of Yugoslavia Slobodan Milošević surrenders to police special forces, to be tried on war crimes charges.
- 2001 –Same-sex marriage becomes legal in the Netherlands, the first country to allow it.
- 2006 –The Serious Organised Crime Agency, dubbed the “British FBI”, is created in the United Kingdom.
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