29
/pt/
pt
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
April 1, 2024
28477
2306
2
Criar
Public Timelines
Biblioteca
FAQ
For education
Cabinet
For educational institutions
For teachers
For students/pupils
9 h 52 m, 26 maio 1933 ano - FM broadcasting
Descrição:
invented by Edwin H. Armstrong to give listeners a wide range of station to listen to.
Adicionado na linha do tempo:
14 set 2017
0
0
462
New timeline
Data:
9 h 52 m, 26 maio 1933 ano
Agora
~ 90 years ago