April 30 - In the United States the FCC approves the NTSC standards of 525 lines and 30 frames per second, and authorizes commercial TV to begin on July 1 .
May 2 - In the United States 10 television stations are granted commercial TV licenses (effective July 1). These stations are required to broadcast 15 hours per week. Bulova Watch Co. , Sun Oil Co. , Lever Bros. Co. and Procter & Gamble sign on as sponsors of the first commercial telecasts from WNBT in New York .
July 1 - Commercial TV authorized by the FCC.
July 1 - As a one-off special, . Weekly broadcasts of the show commenced in 1956 , with Bob Barker .
