KDKA Pittsburgh- first commercially licensed radio station, broadcasts Warren Harding’s presidential victory (1 янв 1920 г. – 31 дек 1929 г.)
Описание:
KDKA in Pittsburgh becomes the first commercially licensed radio station and broadcasts Warren Harding’s presidential victoryДобавлено на ленту времени:
Дата:
1 янв 1920 г.
31 дек 1929 г.
~ 10 years