February 20 - Emmett L. Ashford becomes the first African-American umpire in organized baseball by being authorized to be a substitute umpire in the Southwestern International League.
July 23 - General Mohammed Naguib leads The Free Officers (formed by Gamal Abdel Nasser - the real power behind the coup) in the overthrow of King Farouk of Egypt.
The first political advertisements appear on U.S. television. Democrats buy a 30 minute slot for their candidate, Adlai Stevenson. Stevenson is bombarded with hate mail for interfering with a broadcast of I Love Lucy. Dwight Eisenhower buys 20 second commercial spots and wins the election.
The Ernie Kovacs Show premieres. Kovacs pushes the limits of television technology with his use of camera tricks and special effects.
The first telecast of an atomic bomb detonation (KTLA)