March 6 is the 65th day of the year (66th in leap years) in the Gregorian calendar. There are 300 days remaining until the end of the year.

Events
1454 – Thirteen Years' War: Delegates of the Prussian Confederation pledge allegiance to King Casimir IV of Poland who agrees to commit his forces in aiding the Confederation's struggle for independence from the Teutonic Knights.
1521 – Ferdinand Magellan arrives at Guam.
1788 – The First Fleet arrives at Norfolk Island in order to found a convict settlement.
1820 – The Missouri Compromise is signed into law by President James Monroe. The compromise allows Missouri to enter the Union as a slave state, but makes the rest of the northern part of the Louisiana Purchase territory slavery-free.
1834 – York, Upper Canada is incorporated as Toronto.
1836 – Texas Revolution: Battle of the Alamo – After a thirteen day siege by an army of 3,000 Mexican troops, the 187 Texas volunteers defending the Alamo are defeated and the fort is captured.
1840 – Baltimore College of Dental Surgery Opened, the first Dental school.
1853 – Giuseppe Verdi's opera La Traviata receives its premiere performance in Venice.
1857 – Supreme Court of the United States rules in the Dred Scott v. Sandford case.
1869 – Dmitri Mendeleev presents the first periodic table to the Russian Chemical Society.
1899 – Bayer registers aspirin as a trademark.
1921 – Portuguese Communist Party is founded as the Portuguese Section of the Communist International.
1945 – Communist-dominated government under Petru Groza assumes power in Romania.
1945 – Cologne is captured by American Troops.
1946 – Ho Chi Minh signs an agreement with France which recognizes Vietnam as an autonomous state in the Indochinese Federation and the French Union.
1951 – The trial of Ethel and Julius Rosenberg begins.
1953 – Georgy Maksimilianovich Malenkov succeeds Joseph Stalin as Premier of the Soviet Union and First Secretary of the Communist Party of the Soviet Union.
1957 – United Kingdom colonies Gold Coast and British Togoland become the independent Republic of Ghana.
1964 – Nation of Islam's Elijah Muhammad officially gives boxing champion Cassius Clay the name Muhammad Ali.
1964 – Constantine II becomes King of Greece.
1967 – Joseph Stalin's daughter Svetlana Alliluyeva defects to the United States.
1970 – Blast at Weather Underground safe house in Greenwich Village kills three.
1975 – For the first time, ever, the Zapruder film of the Kennedy assassination was shown in motion to a national TV audience by Robert J. Groden and **** Gregory.
1975 – Algiers Accord: Iran and Iraq announce a settlement of their border dispute.
1981 – After 19 years of presenting the CBS Evening News, Walter Cronkite signs off for the last time.
1983 – The first United States Football League game is played.
1987 – The British ferry MS Herald of Free Enterprise capsizes in about 90 seconds killing 193.
1988 – Three Provisional Irish Republican Army volunteers are killed by Special Air Service on the territory of Gibraltar in the conclusion of Operation Flavius.
1992 – Michelangelo computer virus begins to affect computers.
2006 – South Dakota Governor Mike Rounds signs legislation banning most abortions in the state.
2007 – Former White House aide I. Lewis Libby, Jr. is found guilty on four of five counts of perjury and obstruction of justice.
2008 – A Palestinian gunman shoots and kills 8 students and critically injures 11 in the library of the Mercaz HaRav yeshiva, in Jerusalem, Israel.

Births
1966 – Alan Davies, British comedian and actor
1967 – Connie Britton, American actress
1967 – Julio Bocca, Argentine ballet dancer
1968 – Moira Kelly, American actress
1968 – Michael Romeo, American musician (Symphony X)
1969 – Andrea Elson, American actress
1969 – Tari Phillips, American basketball player
1969 – Amy Pietz, American actress
1969 – Greg Scott, British TV personality
1970 – Chris Broderick, American musician (Megadeth)
1971 – Sean Morley, American professional wrestler
1971 – Darrick Martin, American basketball player
1972 – Shaquille O'Neal, American basketball player
1972 – Jaret Red****, American musician (Bowling For Soup)
1973 – Terry Adams, American baseball player
1973 – Michael Finley, American basketball player
1973 – Greg Ostertag, American basketball player
1973 – Peter Lindgren, Swedish guitarist (ex-Opeth)
1974 – Sebastian Siegel, British-born American actor
1975 – Aracely Arambula, Mexican actress and singer
1976 – Ken Anderson, American professional wrestler
1977 – Giorgos Karagounis, Greek soccer player
1977 – Marcus Thames, American baseball player
1978 – Sage Rosenfels, American Football Player
1978 – Lara Cox, Australian actress
1979 – David Flair, American professional wrestler
1979 – Ιrik Bιdard, Canadian baseball player
1979 – Ryan Nyquist, American BMX rider
1979 – Clint Barmes, American baseball player
1980 – Daniel DeSanto, Canadian actor
1981 – Ellen Muth, American actress
1983 – Andranik Teymourian, Iranian soccer player
1984 – Becky, Japanese-British entertainer
1985 – Albert Reed, American model
1986 – Eli Marienthal, American actor
1986 – Charlie Mulgrew, Scottish football player
1987 – Hannah Taylor-Gordon, English actress
1988 – Agnes Carlsson, Swedish singer
1989 – Agnieszka Radwańska, Polish tennis player
1990 – Patricia Rodrνguez, Spanish model
2001 – Aryana Engineer, Canadian child actress

Deaths
1970 – William Hopper, American actor (b. 1915)
1971 – Thurston Dart, English harpsichordist and conductor (b. 1921)
1973 – Pearl S. Buck, American writer, Nobel Prize laureate (b. 1892)
1976 – Max 'Slapsie Maxie' Rosenbloom, American boxer and actor (b. 1903)
1981 – George Geary, English cricketer (b. 1893)
1982 – Ayn Rand, Russian-American author (b. 1905)
1984 – Martin Niemoller, German theologian (b,. 1892)
1984 – Henry Wilcoxon, Dominican actor (b. 1905)
1986 – Georgia O'Keeffe, American artist (b. 1887)
1988 – Mairιad Farrell, Irish Republican (b. 1957)
1988 – Daniel McCann, Irish Republican (b. 1957)
1988 – Seαn Savage, Irish Republican (b. 1965)
1994 – Melina Mercouri, Greek actress and Minister for Culture of Greece (b. 1920)
1997 – Cheddi Jagan, President of Guyana (b. 1918)
1997 – Michael Manley, Prime Minister of Jamaica (b. 1924)
1998 – Frank Barrett, American baseball player (b. 1913)
1999 – Isa ibn Salman Al Khalifah, Emir of Bahrain (b. 1933)
1999 – Dennis Viollet, English footballer (b. 1933)
2000 – John Colicos, Canadian actor (b. 1928)
2001 – Kim Walker, American actress (b. 1968)
2002 – Bryan Fogarty, Canadian ice hockey player (b. 1969)
2003 – John Sanford, American author (b. 1904)
2004 – Frances Dee, American actress (b. 1909)
2004 – Ray Fernandez, American wrestler (b. 1957)
2005 – Hans Bethe, German-born physicist, Nobel Prize laureate (b. 1906)
2005 – Tommy Vance, British radio disc jockey (b. 1943)
2005 – Danny Gardella, American baseball player (b. 1920)
2005 – Teresa Wright, American actress (b. 1918)
2006 – Anne Braden, American civil rights activist (b. 1924)
2006 – King Floyd, American musician (b. 1945)
2006 – Kirby Puckett, American baseball player (b. 1960)
2006 – Dana Reeve, wife of Christopher Reeve, American actress (b. 1961)
2007 – Jean Baudrillard, French theorist and photographer (b. 1929)
2007 – Allen Coage ("Bad News Brown"), American wrestler and judoka (b. 1943)
2007 – Ernest Gallo, American winemaker (b. 1909)
2008 – Peter Poreku Dery, Cardinal and Archbishop Emeritus of Tamale (b. 1918)
2009 – Francis Magalona, Filipino media artist and photographer. (b. 1964)
2009 – Susan Tsvangirai, wife of Morgan Tsvangirai (b. 1959)