February 12 –Albert Einstein warns that nuclear war could lead to mutual destruction.
February 13
The U.S. Army begins to deploy anti-aircraft cannons to protect nuclear stations and military targets.
The U.S. Air Force loses aConvair B-36 bomber carrying an Mk-4 atomic bomb off the west coast of Canada, producing the world's firstBroken Arrow.
February 15 –Walt Disney releases his twelfth animated feature film,Cinderella, in Hollywood. It is the first singular feature project his studio has produced since 1942'sBambi, following a string of sixanthology films released to recoup losses due toWorld War II, and Disney's biggest commercial hit since 1937'sSnow White and the Seven Dwarfs.
March 1 –Klaus Fuchs is convicted in London of spying against both the UK and the United States for the Soviet Union, by giving to the lattertop secretatomic bomb data.
April 14 –NSC 68 is issued by theUnited States National Security Council, advocating the development of the hydrogen bomb, increased military aid to America's allies, and the rollback of communist expansion.
April 25 – The trial of alleged communist spyJudith Coplon commences in New York City.
August 5 – A bomb-ladenB-29 Superfortress crashes into a residential area in California; 17 are killed and 68 injured.
August 8 –Winston Churchill expresses support for the idea of a pan-European army allied with Canada and the United States.
August 23 – LegendaryAfrican American singer-actorPaul Robeson, whose passport has recently been revoked because of his allegedCommunist affiliations, meets with U.S. officials in an effort to get it reinstated. He is unsuccessful, and it is not reinstated until 1958.
October 11 – TheFederal Communications Commission issues the first license to broadcasttelevision in color, toCBS (RCA will successfully dispute and block the license from taking effect, however).
November 22 –Shirley Temple announces her retirement from show business.
November 24–25 –Great Appalachian Storm of 1950: A phenomenalwinter storm ravages the northeastern United States, brings 30 to 50 inches ofsnow, temperatures below zero, and kills 323 people.
November 26 –Korean War: Troops from the People's Republic of China move into North Korea and launch a massive counterattack againstSouth Korean and American forces at Chosin, dashing any hopes for a quick end to the conflict.
November 29
Korean War: North Korean and Chinese troops force a retreat of United Nations forces from North Korea.
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