30
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
3229338
286821
2

1 jan 1872 ano - Alexander Graham Bell begins to teach Visible Speech and vocal physiology in Boston.

Adicionado na linha do tempo:

Data:

1 jan 1872 ano
Agora
~ 152 years ago