Editing 1951 (section)

===March===
[[File:Julius and Ethel Rosenberg NYWTS.jpg|thumb|200px|right| [[March 29]]: The [[Julius and Ethel Rosenberg|Rosenbergs sentenced to death]].]]
[[File:UNIVAC 1 demo.jpg|thumb|200px|right| [[March 31]]: Remington Rand delivers the first [[UNIVAC I]] computer.]]
* [[March 6]] – The trial of [[Julius and Ethel Rosenberg]] for conspiracy to commit espionage begins in the United States.
* [[March 14]]
** [[Korean War]]: [[Operation Ripper]] – For the second time, United Nations troops recapture Seoul.
** West Germany joins [[UNESCO]].
* [[March 29]]
** [[Second Red Scare]]: In the United States, [[Julius and Ethel Rosenberg]] are convicted of [[Conspiracy (criminal)|conspiracy]] to commit [[espionage]]. On [[April 5]] they are sentenced to death.
** [[Rodgers and Hammerstein]]'s ''[[The King and I]]'' opens on [[Broadway theatre|Broadway]], and runs for three years. It is the first of their musicals specifically written for an actress ([[Gertrude Lawrence]]). Lawrence is stricken with [[cancer]] during the run of the show, and dies halfway through its run a year later. The show makes a star of [[Yul Brynner]].
** The [[23rd Academy Awards]] Ceremony is held; ''[[All About Eve]]'' wins the [[Academy Award for Best Picture|Best Picture]] award and five others.
* [[March 31]] – [[Remington Rand]] delivers the first [[UNIVAC I]] computer to the [[United States Census Bureau]].