Sejm of the Duchy of Warsaw
type: Thing
description: parliament of the Duchy of Warsaw. It was created in 1807 by Napoleon
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meta:
  wikidata id: Q7447087
  domain: parliament
  level: standard
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  data source: Wikidata (CC0 / public domain)
  license: https://creativecommons.org/publicdomain/zero/1.0/
  api version: v1
  served at: 2026-08-11T12:52:10.857047Z
  entity updated at: 2026-05-03T21:19:00.258443+00:00Z
  entity created at: 2026-05-03T14:53:56.844543+00:00Z