On This Day in Telephone History August 22ND 1922 - The Telephone Museum, Inc.
13th January 1910: World's first public radio broadcast comes from the Met Opera in New York - YouTube
RADIO) Group of 10 photographs of the worlds first commerci
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14 photos et images de Kdka Radio - Getty Images
KDKA | radio station, Pittsburgh, Pennsylvania, United States | Britannica
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Radio
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RS - ON THIS DAY | In 1920, KDKA in Pittsburgh, started broadcasting as the first commercial radio station in the US. The first broadcast? Election results. Actual results, not projections! #OnThisDay | Facebook
Nov 2, 1920: First Commercial Radio Broadcast in the U.S. - YouTube
Radio Station KDKA Historical Marker
History of broadcasting - Wikipedia
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