19 h 25 m, 2 nov 1920 ano - The First Radio Broadcast Station KDKA
Descrição:
This station made the first commercial broadcast in november 1920. They chose this particular date to broadcast in order to demonstrate how powerful this technology is. It ushered in a new way of getting information to a lot of people that was much quicker than the newspaper.
Adicionado na linha do tempo:
Data:
19 h 25 m, 2 nov 1920 ano
Agora
~ 103 years ago