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20 Apr 1920 Jahr - First broadcast of radio station KDKA in Pittsburgh

Beschreibung:

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.

Zugefügt zum Band der Zeit:

Datum:

20 Apr 1920 Jahr
Jetzt
~ 105 years ago