• Februrary 22, 1922 WOR owned by Bamberger’s Department Store debuts
  • March 2, 1922 WEAF 660 AM owned by AT&T originates and becomes the flagship station for the NBC Radio Network.  The station becomes WNBC and eventually WFAN
  • March 19, 1922 WHN goes on the air on 833 AM in New York City.  It would become WEPN 1050 AM
  • May 15,1923, WJZ (now WABC) in Newark, NJ starts broadcasting, run by Radio Corporation of American (RCA)
  • July 8, 1924: WNYC begins broadcasting on 570 AM  (later 810 AM) radio in New York City
  • September 20, 1924 Alfred H. Grebe starts WAHG at 920 AM.  It eventually becomes WCBS 880 AM
  • Sept. 27, 1927: CBS is founded in New York City by William S. Paley
  • 1928 W2XBS Channel 1(NBC) in Van Cortlandt Park first experimental television broadcast of an image of Felix the Cat
  • July 21, 1931 Experimental station W2XAB goes on the air.  It would would later become WCBS TV channel 2
  • Dec. 26, 1933: Inventor Edwin Armstrong develops FM radio and receives a patent.
  • Oct. 30, 1938: The infamous War of the Worlds adaptation is broadcast by Orson Welles, creating panic all over the country when some listeners believed that real aliens actually landed in New Jersey.
  • April 30, 1939 RCA introduces television to the American public at the New York World’s Fair.  President Franklin Roosevelt becomes the first president to be televised
  • June 24, 1941 W2XBS receives a commerical license under the call letters WNBT for NBC Television
  • July 1, 1941: The first official commercial airs on television on station WNBT in New York.
  • Sept. 30, 1947: The first televised World Series allows Americans to watch the Yankees beat the Dodgers over seven games.
  • August 10, 1948 WJZ TV signs on, which will become WABC TV
  • Jan. 14, 1952: The Today Show first airs on television, broadcasting from New York City. Dave Garroway was the show’s first host.
  • April 22, 1964 debuted color television with an interactive studio at the RCA Pavilion of the 1964 New York’s Worlds Fair.
  • June 12, 2009 the United States switches from NTSC to ATSC television transmission