March 4 - In Paris, six people are sentenced to death for conspiring to assassinate President Charles de Gaulle. De Gaulle pardons five, but the other conspirator, Jean Bastien-Thiry, is executed by firing squad several days later.

March 5 - In Camden, Tennessee, country music superstar Patsy Cline (Virginia Patterson Hensley) is killed in a plane crash along with fellow performers Hawkshaw Hawkins, Cowboy Copas and Cline's manager and pilot Randy Hughes, while returning from a benefit performance in Kansas City, Kansas, for country radio disc jockey "Cactus" Jack Call.

March 17 - Mount Agung erupts on Bali, killing approximately 1,500.

March 18 - Gideon v. Wainwright: The Supreme Court of the United States rules that state courts are required to provide counsel in criminal cases for defendants who cannot afford to pay their own attorneys.

March 21 - The Alcatraz Federal Penitentiary on Alcatraz Island in San Francisco Bay closes; the last 27 prisoners are transferred elsewhere at the order of United States Attorney General Robert F. Kennedy.

March 22 - The Beatles release their first album Please Please Me in the United Kingdom.

March 23 - Dansevise by Grethe & Jørgen Ingmann (music by Otto Francker, text by Sejr Volmer-Sørensen) wins the Eurovision Song Contest 1963 for Denmark.

March 27 - In Britain, Dr. Richard Beeching issues a report, The Reshaping of British Railways, calling for huge cuts to the country's rail network.

March 28 - Director Alfred Hitchcock's film "The Birds" is released in the United States.

March 30 - Indigenous Australians are legally allowed to drink alcohol in New South Wales.

March 31 - The 1962-63 New York City newspaper strike ends after 114 days. (source: Wikipedia)