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The first commercial radio stations with regularly scheduled broadcasts were heard
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The first sports broadcast was the Dempsey-Carpenter fight
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National political conventions were heard on a nationwide network during the 1924 nomination season
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The National Broadcasting Company (NBC) was established by RCA in 1926. "Red" and "Blue" Networks
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The Columbia Broadcasting System (CBS) was founded.
NBC's Orange (West Coast) network was founded. -
Sam and Henry became Amos and Andy in 1928 when the show moved to NBC
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This was followed by the debut of the NBC Gold Network, also known as the Pacific Gold Network, on October 18, 1931
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Jack Benny is heard on the radio for the first time on Ed Sullivan's show.
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The first decade of FM broadcasting, starting in 1936
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A broadcast that had aired claimed that aliens from Mars had invaded New Jersey, terrified thousands of Americans