| 33151 | March 25 | Event | 1949 – The extensive deportation campaign known as March deportation is conducted in Estonia, Latvia and Lithuania to force collectivisation by way of terror. The Soviet authorities deport more than 92,000 people from the Baltics to remote areas of the So |
| 33152 | March 25 | Event | 1957 – United States Customs seizes copies of Allen Ginsberg's poem "Howl" on obscenity grounds. |
| 33153 | March 25 | Event | 1957 – The European Economic Community is established with West Germany, France, Italy, Belgium, Netherlands and Luxembourg as the first members. |
| 33154 | March 25 | Event | 1958 – Canada's Avro Arrow makes its first flight. |
| 33155 | March 25 | Event | 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. |
| 33156 | March 25 | Event | 1969 – During their honeymoon, John Lennon and Yoko Ono hold their first Bed-In for Peace at the Amsterdam Hilton Hotel (until March 31). |
| 33157 | March 25 | Event | 1971 – Bangladesh Liberation War: Beginning of Operation Searchlight by the Pakistan Armed Forces against East Pakistani civilians. |
| 33158 | March 25 | Event | 1971 – The Army of the Republic of Vietnam abandon an attempt to cut off the Ho Chi Minh trail in Laos. |
| 33159 | March 25 | Event | 1975 – Faisal of Saudi Arabia is shot and killed by a mentally ill nephew. |
| 33160 | March 25 | Event | 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. |
| 33161 | March 25 | Event | 1988 – The Candle demonstration in Bratislava is the first mass demonstration of the 1980s against the communist regime in Czechoslovakia. |
| 33162 | March 25 | Event | 1990 – The Happy Land fire was an arson fire that kills 87 people trapped inside an illegal nightclub in The Bronx, New York City. |
| 33163 | March 25 | Event | 1992 – The Pakistan national cricket team wins the 1992 Cricket World Cup at Melbourne Cricket Ground. |
| 33164 | March 25 | Event | 1992 – Cosmonaut Sergei Krikalev returns to Earth after a 10-month stay aboard the Mir space station. |
| 33165 | March 25 | Event | 1993 – Warrington bomb victim Tim Parry dies five days after an IRA bomb detonated on 20 March 1993 in the second of the Warrington bomb attacks. |
| 33166 | March 25 | Event | 1995 – WikiWikiWeb, the world's first wiki, and part of the Portland Pattern Repository, is made public by Ward Cunningham. |
| 33167 | March 25 | Event | 1996 – An 81-day-long standoff between the anti-government group Montana Freemen and law enforcement near Jordan, Montana, begins. |
| 33168 | March 25 | Event | 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). |
| 33169 | March 25 | Event | 2006 – Capitol Hill massacre: A gunman kills six people before taking his own life at a party in Seattle's Capitol Hill neighborhood. |
| 33170 | March 25 | Event | 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. |
| 33171 | March 25 | Birth | 1252 – Conradin, German son of Conrad IV of Germany (d. 1268) |
| 33172 | March 25 | Birth | 1259 – Andronikos II Palaiologos, Byzantine emperor (d. 1332) |
| 33173 | March 25 | Birth | 1297 – Andronikos III Palaiologos, Byzantine emperor (d. 1341) |
| 33174 | March 25 | Birth | 1297 – Arnošt of Pardubice, Polish archbishop (d. 1364) |
| 33175 | March 25 | Birth | 1345 – Blanche of Lancaster (d. 1369) |
| 33176 | March 25 | Birth | 1347 – Catherine of Siena, Italian philosopher, theologian, and saint (d. 1380) |
| 33177 | March 25 | Birth | 1479 – Vasili III of Russia (d. 1533) |
| 33178 | March 25 | Birth | 1539 – Christopher Clavius, German mathematician and astronomer (d. 1612) |
| 33179 | March 25 | Birth | 1541 – Francesco I de' Medici, Grand Duke of Tuscany (d. 1587) |
| 33180 | March 25 | Birth | 1545 – John II, Duke of Schleswig-Holstein-Sonderburg (d. 1622) |