TODAY IN HISTORY ― MARCH 25

March 25 is the 84th day of the year (85th in leap years) in the Gregorian calendar. There are 281 days remaining until the end of the year. This date is slightly more likely to fall on a Wednesday, Friday or Sunday (58 in 400 years each) than on Monday or Tuesday (57), and slightly less likely to occur on a Thursday or Saturday (56).  

NATIONAL MEDAL OF HONOR DAY 

421 – Venice, Italy, is founded at twelve o'clock noon, according to legend, with the Feast of the Annunciation.

1199 – Richard I is wounded by a crossbow bolt while fighting France, leading to his death on April 6. 

1584 – Sir Walter Raleigh is granted a patent to colonize Virginia.

1655 – Saturn's largest moon, Titan, is discovered by Christiaan Huygens.

1807 – The Slave Trade Act becomes law, abolishing the slave trade in the British Empire.

1865 – American Civil War: In Petersburg, VA, Confederate forces temporarily capture Fort Stedman from the Union.

1894 – Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington, D.C.

1911 – In New York City, the Triangle Shirtwaist Factory fire kills 146 garment workers.

1947 – An explosion in a coal mine in Centralia, IL kills 111.

1965 – Civil rights activists led by Martin Luther King Jr. successfully complete their 4-day 50-mile march from Selma to the capitol in Montgomery, Alabama. 

1971 – The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos.

1979 – The first fully functional Space Shuttle orbiter, Columbia, is delivered to the John F. Kennedy Space Center to be prepared for its first launch.  

1988 – The Candle demonstration in Bratislava is the first mass demonstration of the 1980s against the communist regime in Czechoslovakia (now the Czech Republic).

1990 – The Happy Land Social Club fire was an arson fire that kills 87 people trapped inside an illegal nightclub in The Bronx, New York City.

1995 – WikiWikiWeb, the world's first wiki, and part of the Portland Pattern Repository, is made public by Ward Cunningham.

1996 – An 81-day-long standoff between the anti-government group Montana Freemen and law enforcement near Jordan, Montana, begins.

1996 – The European Union's Veterinarian Committee bans the export of British beef and its by-products as a result of mad cow disease (Bovine spongiform encephalopathy).

2006 – Capitol Hill massacre: A gunman kills six people before taking his own life at a party in Seattle's Capitol Hill neighborhood. 

2006 – Protesters demanding a new election in Belarus, following the rigged Belarusian presidential election, 2006, clash with riot police. Opposition leader Aleksander Kozulin is among several protesters arrested. 

BORN TODAY

1453 – Giuliano de' Medici (d. 1478)

1541 – Francesco I de' Medici, Grand Duke of Tuscany (d. 1587)

1867 – Gutzon Borglum, American sculptor, designed Mount Rushmore (d. 1941)

1867 – Arturo Toscanini, Italian-American cellist and conductor (d. 1957)

1925 – Flannery O'Connor, American short story writer and novelist (d. 1964)

1928 – Jim Lovell, American captain, pilot, and astronaut

1934 – Gloria Steinem, American feminist activist, co-founded the Women's Media Center

From Wikipedia and Google (images), ex as noted.