About March 21
March 21, 2025 is the 80th day of the year 2025 in the Gregorian calendar. There are 285 days remaining until the end of this year. The day of the week is Friday.
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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 333 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
- 1188 –Emperor Antoku accedes to the throne of Japan.
- 1413 –Henry V becomes King of England.
- 1814 –Napoleonic Wars: Austrian forces repel French troops in the Battle of Arcis-sur-Aube.
- 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.
- 1871 –Journalist Henry Morton Stanley begins his trek to find the missionary and explorer David Livingstone.
- 1913 –Over 360 are killed and 20,000 homes destroyed in the Great Dayton Flood in Dayton, Ohio.
- 1918 –World War I: The first phase of the German Spring Offensive, Operation Michael, begins.
- 1921 –The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of War Communism.
- 1928 –Charles Lindbergh is presented with the Medal of Honor for the first solo trans-Atlantic flight.
- 1933 –Construction of Dachau, the first Nazi concentration camp, is completed.
- 1935 –Shah Reza Pahlavi formally asks the international community to call Persia by its native name, Iran, which means 'Land of the Aryans.'
- 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.
- 1945 –World War II: British troops liberate Mandalay, Burma.
- 1952 –Alan Freed presents the Moondog Coronation Ball, the first rock and roll concert, in Cleveland, Ohio.
- 1964 –In Copenhagen, Denmark, Gigliola Cinquetti wins the ninth Eurovision Song Contest for Italy singing “Non ho l'età” (“I'm not old enough”).
- 1968 –Battle of Karameh in Jordan between Israeli Defense Forces and Fatah.
- 1980 –On the season finale of the soap opera Dallas, the infamous character J.R. Ewing is shot by an unseen assailant, leading to the catchphrase “Who shot J.R.?”
- 1980 –US President Jimmy Carter announces a United States boycott of the 1980 Summer Olympics in Moscow to protest the Soviet Invasion of Afghanistan.
- 1994 –The last episode of the Australian TV series Mother and Son was broadcast.
- 2006 –Immigrant workers constructing the Burj Khalifa and a new terminal of Dubai International Airport riot causing $1M in damage.
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