33
/pt/
AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
November 30, 2025
1928103
159209
2
Public Timelines
FAQ

29 dez 1839 ano - The telegraph—the precursor of radio technology—was invented in the 1840s.

Adicionado na linha do tempo:

18 out 2018
0
0
516

Data:

29 dez 1839 ano
Agora
~ 185 years ago