Public Timelines

For educational institutions For teachers For students Cabinet

For educational institutions For teachers For students Open cabinet

FAQ Obtener premium

Create a timeline

Public timelines

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

4 abr 1774 año - Electric Telegraph

Descripción:

Georges Louis Lesage patented the electric telegraph. It uses electric signals to send communication via radio or line.

Añadido al timeline:

time graphics

ByMariella Gadin

10 dic 2019

0

0

333

fecha:

4 abr 1774 año

Ahora mismo

~ 251 years ago

About & Feedback Acuerdo Privacidad FAQ

Cabinet Get premium

Donate

The service accepts bank transfer (ACH, Wire) or cards (Visa, MasterCard, etc). Processed by Stripe.

Secured with SSL