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20 abr 1920 ano - First broadcast of radio station KDKA in Pittsburgh

Descrição:

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 fev 2018
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Data:

20 abr 1920 ano
Agora
~ 105 years ago
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