March 25 is the 84th day of the year in the Gregorian calendar (85th in leap years). There are 281 days remaining.
- 708 - Constantine is consecrated Pope.
- 1306 - Robert the Bruce becomes King of Scotland.
- 1409 - The Council of Pisa opens.
- 1634 - The first settlers arrive in Maryland (led by Lord Baltimore).
- 1655 - Saturn's largest moon, Titan, is discovered by Christian Huygens.
- 1802 - The Treaty of Amiens is signed as a "Definitive Treaty of Peace" between France and United Kingdom.
- 1807 - The Slave Trade Act becomes law, abolishing slavery in the Kingdom of Great Britain and Ireland.
- 1821 - Greece declares its independence from the Ottoman Empire, beginning the Greek War of Independence.
- 1865 - American Civil War: In Virginia, Confederate forces capture Fort Stedman from the Union.
- 1894 - Coxey's Army, the first significant American protest march, departs Massillon, Ohio for Washington D.C..
- 1901 - At the five-day "Week of Nice" race in Nice, France, Mercedes wins its first racing victory.
- 1911 - In New York City the Triangle Shirtwaist Company fire kills 146 garment workers.
- 1918 - Belarusian Democratic Republic proclaims independence.
- 1924 - Greece proclaims itself a republic.
- 1931 - The Scottsboro Boys are arrested in Alabama and charged with rape.
- 1939 - Cardinal Eugenio Pacelli becomes Pope Pius XII.
- 1941 - Kingdom of Yugoslavia joins the Axis powers.
- 1947 - A coalmine explosion in Centralia, Illinois kills 111.
- 1955 - United States Customs seizes Allen Ginsberg's Howl as obscene.
- 1957 - The European Economic Community is established (West Germany, France, Italy, Belgium, Netherlands, Luxembourg).
- 1965 - Civil rights activists led by Martin Luther King, Jr. begin march from Selma to the capitol in Montgomery.
- 1969 - During their honeymoon, John Lennon and Yoko Ono hold a bed-in for peace in the Amsterdam Hilton Hotel (until March 31).
- 1975 - Faisal of Saudi Arabia is shot and killed by a mentally ill nephew.
- 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.
- 1990 - In New York City, a fire at an illegal social club called "Happy Land" kills 87.
- 1992 - Cosmonaut Sergei Krikalev returns to Earth after a 10-month stay aboard the Mir space station.
- 1996 - An 81-day long standoff between antigovernment Freemen in Jordan, Montana and federal officers begins.
- 1996 - The EU's Veterinarian Committee bans the export of British beef and its by-products as a result of mad cow disease (BSE).
- 2004 - British Prime Minister Tony Blair visits Libyan leader Muammar Gadafi. He becomes the first PM to visit that country in over half a century.
- 2004 - Rusty Foster closes off new user accounts to Kuro5hin as a result of a particularly offensive troll that attacked his wife by photoshopping her face onto a pornographic image  (http://www.kuro5hin.org/story/2004/3/24/0502/96199).
- 1741 - Jean Antoine Houdon, sculptor, (d. 1828)
- 1863 - Simon Flexner, pathologist who isolated 1899 a common strain (Shigella dysenteriae) of dysentery bacillus, (d. 1946)
- 1867 - Arturo Toscanini, conductor, (d. 1957)
- 1873 - Rudolf Rocker, anarcho-syndicalist, (d. 1958)
- 1881 - Béla Bartók, composer, (d. 1945)
- 1881 - Mary Gladys Webb, writer, (d. 1927)
- 1886 - Athenagoras, Patriarch of Constantinople, (d. 1972)
- 1908 - Helmut Käutner, actor and film director, (d. 1980)
- 1908 - David Lean, film director, (d. 1991)
- 1911 - Jack Ruby, killer of Lee Harvey Oswald, (d. 1967)
- 1918 - Howard Cosell, attorney, lecturer, sports journalist, (d. 1995)
- 1920 - Arthur Wint, Jamaican runner
- 1921 - Simone Signoret, actress, (d. 1985)
- 1925 - Flannery O'Connor, author, (d. 1964)
- 1928 - Jim Lovell, astronaut
- 1935 - Gloria Steinem, feminist, author
- 1938 - Hoyt Axton, musician, actor, (d. 1999)
- 1939 - Toni Cade Bambara, author (d. 1995)
- 1940 - Anita Bryant, entertainer
- 1942 - Aretha Franklin, singer
- 1942 - Richard O'Brien, actor, writer
- 1947 - Elton John, musician
- 1952 - Antanas Mockus, Colombian mathematician and politician
- 1964 - Lisa Gay Hamilton, actress (The Practice)
- 1965 - Sarah Jessica Parker, actress
- 1966 - Tom Glavine, baseball pitcher
- 1967 - Debi Thomas, figure skater
- 1974 - Lark Voorhies, actress (Saved by the Bell)
- 1976 - Juvenile, rapper
- 1976 - Wladimir Klitschko, boxer
- 752 - Pope Stephen II
- 1005 - King Kenneth III of Scotland (in battle)
- 1233 - King Afonso II of Portugal, (b. 1185)
- 1736 - Nicholas Hawksmoor, architect (b. circa 1661)
- 1751 - King Frederick I of Sweden, (b. 1676)
- 1918 - Claude Debussy, composer, (b. 1862)
- 1951 - Eddie Collins, Baseball Hall of Famer (b. 1887)
- 1957 - Max Ophüls, director, writer, (b. 1902)
- 1958 - Tom Brown, jazz musician (b. 1888)
- 1969 - Max Eastman, writer (b. 1883)
- 1975 - King Faisal of Saudi Arabia, (b. 1906)
- 1980 - Roland Barthes, critic, writer (b. 1915)
- 1995 - Kresimir Cosic, professional basketball player, (b. 1948)
Holidays and observances
- Annunciation - this is nine months before Christmas day.
- One of the four Irish Quarter days in the Irish calendar.
- Traditional date of the start of the new year in Britain, until the adoption of the Gregorian calendar in 1752 (called Lady Day - see above).
- Greek Independence Day.
March 24 - March 26 - February 25 - April 25 -- listing of all days
eo:25-a de marto
es:25 de marzo
pt:25 de Marçosa:२५ मार्च
vi:25 tháng 3