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.
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 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
- 717 –Battle of Vincy between Charles Martel and Ragenfrid.
- 1152 –Annulment of the marriage of King Louis VII of France and Queen Eleanor of Aquitaine.
- 1413 –Henry V becomes King of England.
- 1556 –In Oxford, Archbishop of Canterbury Thomas Cranmer is burned at the stake.
- 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.
- 1801 –The Battle of Alexandria is fought between British and French forces near the ruins of Nicopolis in Egypt.
- 1857 –An earthquake in Tokyo, Japan kills over 100,000.
- 1871 –Journalist Henry Morton Stanley begins his trek to find the missionary and explorer David Livingstone.
- 1871 –Otto von Bismarck is appointed Chancellor of the German Empire.
- 1921 –The New Economic Policy is implemented by the Bolshevik Party in response to the economic failure as a result of War Communism.
- 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.
- 1965 –Ranger program: NASA launches Ranger 9 which is the last in a series of unmanned lunar space probes.
- 1968 –Battle of Karameh in Jordan between Israeli Defense Forces and Fatah.
- 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.
- 1990 –Namibia becomes independent after 75 years of South African rule.
- 1999 –Bertrand Piccard and Brian Jones become the first to circumnavigate the Earth in a hot air balloon.
- 2006 –Immigrant workers constructing the Burj Khalifa and a new terminal of Dubai International Airport riot causing $1M in damage.
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