 World War I brought about major developments in radio, superseding the Morse code of the wireless telegraph with the vocal communication of the wireless telephone, through advancements in vacuum tube technology and the introduction of the transceiver.After the war, numerous radio stations were born in the United States and set the standard for later radio programs.The first radio news program was broadcast on August 31, 1920, on the station 8MK in Detroit; owned by "The Detroit News", the station covered local election results.