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Radio During World War One (1914-1919) Civilian radio activities were suspended during the war, as the radio industry was taken over by the government. Numerous military applications were developed, including direct communication with airplanes.
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The system was designed by Philo Taylor Farnsworth, who had been working on it since 1920. Electronic television is a type of television that uses electronic signals to produce images on a video screen
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Between March 1933 and June 1944, through Depression and war, President Franklin D. Roosevelt (https://www.history.com/topics/us-presidents/franklin-d-roosevelt) gave 30 speeches where he spoke directly to millions of Americans through a radio broadcast. These speeches became known as the "fireside chats,” a term coined by CBS station manager Harold Butche
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On the night of October 30, 1938, between 8:15 and 9:30 p.m., a radio dramatization of H.G. Wells' sci-fi fantasy novel The War of the Worlds, performed by 23-year-old Orson Welles' Mercury Theatre, sent thousands of Americans into a frenzy. After hearing the broadcast (https://www.history.com/this-day-in-history/welles-scares-nation), many believed that an interplanetary conflict had started with the invasion of Martians spreading death and destruction in New Jersey and New York.
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the radio once again fulfilled an important role for both the U.S. and the U.K. With the help of journalists, radio relayed news of the war to the public. It was also a rallying source and was used by the government to gain public support. By World War II, radio broadcasting had become an established mass medium and contributed strongly to the war effort. After World War II , television replaced radio as the source of news for most Americans.
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RCA Leader in TV opened its license to allow competition for TV
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NBC Broadcasts first live TV Presidential inauguration
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January 1, 1954 First coast to coast color Television broadcast of Rose Bowl Parade