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AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
June 15, 2024
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2

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

Aggiunto al nastro di tempo:

Data:

1 gen 1872 anni
Adesso
~ 152 years ago