Historedia
Group or institution

Four Estates of Finland

Events
1
Episodes
2
Years
1809

Every event in Historedia whose sources name Four Estates of Finland, 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. Diet of Porvoo: Finland's Estates pledge allegiance to Alexander I

    1809

    Role: Legislative assembly participants

    1. March 1809 · PorvooGuarantee of Rights

      Alexander I pledged to uphold Finland's fundamental laws, Lutheran religion, and estate privileges in exchange for allegiance.

    2. 29 March 1809 · Porvoo (Borgå)Opening of the Diet

      On 29 March 1809 the four Estates assembled in Porvoo and pledged allegiance to Alexander I, opening the Diet that established the Grand Duchy.

Sources

  1. Diet of Porvoo Wikipedia, revision of 2026-09-23
  2. Grand Duchy of Finland Wikipedia, revision of 2026-09-16