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1 h 57 m, 2 set 1920 ano - First radio network broadcast.

Adicionado na linha do tempo:

TOG 1900-2018 Timeline

ByClaire Avery
25 mar 2019
1
0
1590

Data:

1 h 57 m, 2 set 1920 ano
Agora
~ 103 years ago
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