About March 21

March 21, 2021 is the 80th day of the year 2021 in the Gregorian calendar. There are 285 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.

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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 317 days remaining before the start of the next Chinese New Year.

March 21: More About This Day

March 21st is the common date of the March equinox (although astronomically the equinox is more likely to fall on March 20 in all but the most easterly longitudes). In astrology, the day of the equinox is the first full day of the sign of Aries. It is also the traditional first day of the astrological year.

What Happened On March 21

  • 717
    Battle of Vincy between Charles Martel and Ragenfrid.
  • 1556
    In Oxford, Archbishop of Canterbury Thomas Cranmer is burned at the stake.
  • 1788
    A fire in New Orleans leaves most of the town in ruins.
  • 1800
    With the church leadership driven out of Rome during an armed conflict, Pius VII is crowned Pope in Venice with a temporary papal tiara made of papier-mâché.
  • 1814
    Napoleonic Wars: Austrian forces repel French troops in the Battle of Arcis-sur-Aube.
  • 1821
    Greek War of Independence: First revolutionary act in the monastery of Agia Lavra, Kalavryta.
  • 1844
    The Bahá'í calendar begins. This is the first day of the first year of the Bahá'í calendar. It is annually celebrated by members of the Bahá'í Faith as the Bahá'í New Year or Náw-Rúz.
  • 1857
    An earthquake in Tokyo, Japan kills over 100,000.
  • 1937
    Ponce Massacre: 18 people and a 7-year-old girl in Ponce, Puerto Rico, are gunned down by a police squad acting under orders of US-appointed Governor, Blanton C. Winship.
  • 1943
    Wehrmacht officer Rudolf Christoph Freiherr von Gersdorff plots to assassinate Adolf Hitler by using a suicide bomb, but the plan falls through. Von Gersdorff is able to defuse the bomb in time and avoid suspicion.
  • 1945
    World War II: British troops liberate Mandalay, Burma.
  • 1945
    World War II: Operation Carthage – British planes bomb Gestapo headquarters in Copenhagen, Denmark. They also hit a school and 125 civilians are killed.
  • 1963
    Alcatraz, a federal penitentiary on an island in San Francisco Bay, closes.
  • 1964
    In Copenhagen, Denmark, Gigliola Cinquetti wins the ninth Eurovision Song Contest for Italy singing “Non ho l'età” (“I'm not old enough”).
  • 1965
    Ranger program: NASA launches Ranger 9 which is the last in a series of unmanned lunar space probes.
  • 1970
    The first Earth Day proclamation is issued by Mayor of San Francisco Joseph Alioto.
  • 1980
    US President Jimmy Carter announces a United States boycott of the 1980 Summer Olympics in Moscow to protest the Soviet Invasion of Afghanistan.
  • 1989
    Sports Illustrated reports allegations tying baseball player Pete Rose to baseball gambling.
  • 1997
    In a Tel Aviv, Israel coffee shop, a suicide bomber kills 3 and injures 49.
  • 2006
    Immigrant workers constructing the Burj Khalifa and a new terminal of Dubai International Airport riot causing $1M in damage.

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