Historedia
Person

André-Marie Ampère

Events
1
Episodes
1
Years
1820

Every event in Historedia whose sources name André-Marie Ampère, 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. Ørsted discovers electromagnetism

    1820

    Role: Influenced by Ørsted's work

    1. April 1820 · Unresolved occurrence localityObservation of Compass Needle Deflection

      In April 1820, Ørsted observed that an electrical current in a wire caused a nearby compass needle to move, confirming a direct relationship between electricity and magnetism.

Sources

  1. Hans Christian Ørsted Wikipedia, revision of 2026-08-29
  2. Electromagnetism Wikipedia, revision of 2026-09-28