We have 45 holidays listed for March 21. March 21st is the 80th day in the Gregorian calendar; it also marks the anniversary of third—and finally successful—civil rights march led by Dr. Martin Luther King, Jr. and the founding of Twitter.

March 21 is the 80th day of the year (81st in leap years) in the Gregorian calendar; 285 days remain until the end of the year. 537 – Siege of Rome: King Vitiges attempts to assault the northern and eastern city walls, but is repulsed at the Praenestine Gate, known as the Vivarium, by the defenders under the Byzantine generals Bessas and Peranius.

4 days ago · Historical events for the 21st of March. See what famous, interesting and notable events happened throughout history on March 21.

4 days ago · What happened on this day in history, March 21. See what historical events occurred, which famous people were born and who died on March 21.

4 days ago · Friday, March 21 Saturday, March 22 Sunday, March 23. DAYTON, Ohio (WDTN) — As we officially enter springtime and the season of new beginnings, there are so many fun things to do this weekend! 2 ...

Notable Birthdays for March 21. Mary Dixon Kies (1752-1837) - The first woman to receive a patent for weaving straw, silk and thread. Henry Ossian Flipper (1856-1940) - The first Black to graduate from West Point. Daria Pratt (1859-1938) - Olympic winner of the bronze medal in golf. Antonia Maury (1866-1952) - Female astronomer to first to detect and calculate the orbit of a spectroscopic ...

Mar 17, 2025 · Explore fascinating facts about March 21: from the civil rights Selma march to Twitter's launch and global observances that promote equality.

On This Day In History - March 21: anniversaries, birthdays, major events, and time capsules. This day's facts in the arts, politics, and sciences.

On March 21, 1778, just three days after British Loyalists and Hessian mercenary forces assault the local New Jersey militia at Quinton’s Bridge, three miles from Salem, New Jersey, the same ...

Feb 14, 2025 · March 21 in American history has been marked by significant political, social, military, and cultural events. From military victories during the Revolutionary War to landmark achievements in civil rights and innovation, the events of this date demonstrate the complexity and evolution of the American experience.