Historedia
Person

Ignace Chappe

Events
1
Episodes
3
Years
1790–1792

Every event in Historedia whose sources name Ignace Chappe, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. Demonstration of the Mechanical Telegraph by Claude Chappe

    1790–1792

    Role: Claude's brother, member of the Legislative Assembly during the French Revolution

    1. 1790 · FranceDevising a Rapid Communication System

      At the height of the Revolution, the Chappe brothers began designing a system for swift government intelligence and orders.

    2. 2 March 1791 · Brûlon–Parcé linePublic Demonstration between Brûlon and Parcé

      Chappe's first public demonstration of the optical system took place on 2 March 1791 across a 16-kilometre line.

    3. 1792 · Paris–Lille line and national networkPractical Semaphore System Demonstrated, 1792

      In 1792 Chappe demonstrated a practical semaphore system that eventually spanned all of France.

Sources

  1. Claude Chappe Wikipedia, revision of 2026-05-16