Create a timeline

Public timelines

1 janv. 1795 - 1795: Semaphore system (= flags on posts) took 2 min for 240 km, France.

Ajouté au bande de temps:

A brief history: communication events

12 sept. 2022

0

0

127

Date:

1 janv. 1795

Maintenaint

~ Il y a 230 ans

About & Feedback Un accord Confidentialité Bibliothèque FAQ

Cabinet Get premium

Donate

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

Secured with SSL