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Westinghouse, the maker of radio recievers, built a radio broadcasting station and recieved the first US broadcasting license on October 27. On November 2, 1920, the first ever radio broadcast was given, it's story was over the presidential election returns of Warren Harding vs. James Cox. http://www.ieeeghn.org/wiki/index.php/KDKA,_First_Commercial_Radio_Station
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Philo T. Farnsworth transmitted the first ever electroic television signal. http://www.historyofinformation.com/expanded.php?id=707
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Paley goes on air and announce that CBS is the largest radio broadcasting station in history. http://www.cbs.com/specials/cbs_75/timeline/1920.shtml
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CBS introduced the first ever color television broadcast to the United States. http://www.historycentral.com/Technology/Tech1940-1959/ColorTV.html
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An estimated 45 million viewers tuned in to watch the Wizard of Oz's first televised broadcast of the movie. http://www.thewizardofozblog.com/2011/11/remember-the-first-time-you-saw-the-wizard-of-oz.html
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Viewers tuned into NBC witness Jack Ruby shoot Lee Harvey Oswald on camera — the first live telecast of a murder. http://iconicphotos.wordpress.com/2009/07/24/lee-harvey-oswald-shot/
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Sesamse Street was introduce to television in July, 1969, to create laughter and joy. Later on Sesame Street turned into a way to educate younger views. http://topics.nytimes.com/topics/reference/timestopics/subjects/s/sesame_street/index.html
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Ted Turner and his 25-person team launched Cable News Network, a 24-hour channel offering straightforward news on America's cable systems. http://www.thewrap.com/tv/ind-column/ted-turners-little-24-hour-cable-news-network-turns-30-17897
