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1 Jul 1920 Jahr - 1920

Beschreibung:

La primera emisora de carácter regular e informativo es la estación 8MK (hoy día WWJ) de Detroit, Míchigan (Estados Unidos), en la frecuencia de 1500 kHz.

Zugefügt zum Band der Zeit:

Linea del Tiempo Realidad Virtual

ByChema
3 Okt 2018
0
0
902

Datum:

1 Jul 1920 Jahr
Jetzt
~ 105 years ago
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