Historedia
Person

William Edwin Hamilton

Events
1
Episodes
2
Years
1843

Every event in Historedia whose sources name William Edwin Hamilton, 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. Hamilton discovers quaternions at Broom Bridge

    1843

    Role: Son

    1. 16 October 1843 · Royal CanalWalk along the Royal Canal

      Hamilton walked along the Royal Canal in Dublin with his wife on 16 October 1843, leading to the insight that quaternion multiplication is non-commutative.

    2. 16 October 1843 · Broom BridgeCarving the formula on Broom Bridge

      Hamilton recorded the fundamental formula for quaternions on Broom Bridge, a site now commemorated by a plaque despite the loss of the original carving.

Sources

  1. History of quaternions Wikipedia, revision of 2026-09-28
  2. Broom Bridge Wikipedia, revision of 2026-06-06