33
/pt/
AIzaSyAYiBZKx7MnpbEhh9jyipgxe19OcubqV5w
August 1, 2025
3223760
286215
2
Public Timelines
Menu
Public Timelines
FAQ
Public Timelines
FAQ
For education
For educational institutions
For teachers
For students
Cabinet
For educational institutions
For teachers
For students
Open cabinet
Criar
Close
Create a timeline
Public timelines
Library
FAQ
1 jan 1923 ano - cine sonoro
Descrição:
el cine sonoro, creado por Lee de Forest, quien resolvio problemas de sincronizacion y amplificacin de sonido
Adicionado na linha do tempo:
New timeline
By
violeta
9 ago 2019
0
0
153
Data:
1 jan 1923 ano
Agora
~ 102 years ago
About & Feedback
Acordo
Privacidade
Biblioteca
FAQ
Support 24/7
Cabinet
Get premium
Donate
The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.
Secured with SSL
