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2 nov 1920 - в городе городе Питтсбург начала работу KDKA – первая коммерческая радиостанция в США.

Ajouté au bande de temps:

Основные этапы развития журналистики в 20 веке

ByЛера Иванова

11 nov. 2017

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Date:

2 nov 1920

Maintenaint

~ Il y a 105 ans

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