About March 31

March 31, 2025 is the 90th day of the year 2025 in the Gregorian calendar. There are 275 days remaining until the end of this year. The day of the week is Monday.

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

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Aries is the sun sign of a person born on this day. Aquamarine is the modern birthstone for this month. Jade is the mystical birthstone from Tibetan origin that dates back over a thousand years.

According to the lunisolar Chinese calendar, there are 323 days remaining before the start of the next Chinese New Year.

What Happened On March 31

  • 307
    After divorcing his wife Minervina, Constantine marries Fausta, the daughter of the retired Roman Emperor Maximian.
  • 1822
    The massacre of the population of the Greek island of Chios by soldiers of the Ottoman Empire following an attempted rebellion, depicted by the French artist Eugène Delacroix.
  • 1866
    The Spanish Navy bombs the harbor of Valparaíso, Chile.
  • 1877
    The family with samurai antecedents that responded to the Saigō army in Ōita Nakatsu, rebels.
  • 1903
    Richard Pearse allegedly makes a powered flight in an early aircraft.
  • 1909
    Serbia accepts Austrian control over Bosnia and Herzegovina.
  • 1918
    Massacre of ethnic Azerbaijanis is committed by allied armed groups of Armenian Revolutionary Federation and Bolsheviks. Nearly 12,000 Azerbaijani Muslims are killed.
  • 1931
    An earthquake destroys Managua, Nicaragua, killing 2,000.
  • 1931
    TWA Flight 599 crashes near Bazaar, Kansas killing 8 including Knute Rockne, head football coach at the University of Notre Dame
  • 1933
    The Civilian Conservation Corps is established with the mission of relieving rampant unemployment.
  • 1945
    World War II: a defecting German pilot delivers a Messerschmitt Me 262A-1, the world’s first operational jet-powered fighter aircraft, to the Americans, the first to fall into Allied hands.
  • 1951
    Remington Rand delivers the first UNIVAC I computer to the United States Census Bureau.
  • 1957
    Elections to the Territorial Assembly of the French colony Upper Volta are held. After the elections PDU and MDV form a government.
  • 1958
    In the Canadian federal election, the Progressive Conservatives, led by John Diefenbaker, win the largest percentage of seats in Canadian history, with 208 seats of 265.
  • 1959
    The 14th Dalai Lama, Tenzin Gyatso, crosses the border into India and is granted political asylum.
  • 1970
    Nine terrorists from the Japanese Red Army hijack Japan Airlines Flight 351 at Tokyo International Airport, wielding samurai swords and carrying a bomb.
  • 1986
    Six metropolitan county councils are abolished in England.
  • 1991
    Georgian independence referendum, 1991: nearly 99 percent of the voters support the country’s independence from the Soviet Union.
  • 1991
    The Islamic Constitutional Movement, or Hadas, is established in Kuwait.
  • 2004
    Iraq War in Anbar Province - In Fallujah, Iraq, 4 American private military contractors working for Blackwater USA, are killed after being ambushed.

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