About March 18

March 18, 2025 is the 77th day of the year 2025 in the Gregorian calendar. There are 288 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.

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Pisces 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 336 days remaining before the start of the next Chinese New Year.

If the Gregorian calendar is not reformed, the March equinox will fall on this day for the first time in AD 4092.

What Happened On March 18

  • 235
    Emperor Alexander Severus and his mother Julia Mamaea are murdered by legionaries near Moguntiacum (modern Mainz). The Severan dynasty ends.
  • 1241
    Mongols overwhelm Polish armies in Kraków in the Battle of Chmielnik and plunder the city.
  • 1438
    Albert II of Habsburg becomes Holy Roman Emperor.
  • 1608
    Susenyos is formally crowned Emperor of Ethiopia.
  • 1874
    Hawaii signs a treaty with the United States granting exclusive trading rights.
  • 1893
    Former Governor General Lord Stanley pledges to donate a silver challenge cup, later named after him, as an award for the best hockey team in Canada; originally presented to amateur champions, the Stanley Cup has been awarded to the top pro team since 1910, and since 1926, only to National Hockey League teams.
  • 1906
    Traian Vuia flies a heavier-than-air aircraft for 20 meters at 1 meter altitude.
  • 1913
    King George I of Greece is assassinated in the recently liberated city of Thessaloniki.
  • 1937
    The human-powered aircraft, Pedaliante, flies 1 km outside Milan.
  • 1938
    Mexico nationalizes all foreign-owned oil properties within its borders.
  • 1940
    World War II: Axis Powers – Adolf Hitler and Benito Mussolini meet at the Brenner Pass in the Alps and agree to form an alliance against France and the United Kingdom.
  • 1945
    World War II: 1,250 American bombers attack Berlin.
  • 1962
    The Evian Accords put an end to the Algerian War of Independence, which began in 1954.
  • 1968
    Gold standard: The U.S. Congress repeals the requirement for a gold reserve to back US currency.
  • 1969
    The United States begins secretly bombing the Sihanouk Trail in Cambodia, used by communist forces to infiltrate South Vietnam.
  • 1970
    Lon Nol ousts Prince Norodom Sihanouk of Cambodia.
  • 1974
    Oil embargo crisis: Most OPEC nations end a five-month oil embargo against the United States, Europe and Japan.
  • 1980
    At Plesetsk Cosmodrome in Russia, 50 people are killed by an explosion of a Vostok-2M rocket on its launch pad during a fueling operation.
  • 1997
    The tail of a Russian Antonov An-24 charter plane breaks off while en-route to Turkey causing the plane to crash and killing all 50 on board and leading to the grounding of all An-24s.
  • 2002
    U.S. invasion of Afghanistan: Operation Anaconda ends (started on March 2) after killing 500 Taliban and al Qaeda fighters with 11 allied troop fatalities.

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