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

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Основные этапы развития журналистики в 20 веке

ByЛера Иванова

11 nov 2017

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2 nov 1920 ano

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~ 105 years ago

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