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20 apr 1920 anni - First broadcast of radio station KDKA in Pittsburgh

Descrizione:

1920 was the year the first broadcast was passed. KDKA led the way for mass media. Many Americans and experts realized the increase in technology the United States was going through.

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ByAlexis Romero binuelo
2 feb 2018
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Data:

20 apr 1920 anni
Adesso
~ 105 years ago
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