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Status as of: 31 October 2026, 04:00 CETLast updated: 31.10.2026

Every visual on this site is generated from these datasets. Each record has an ID, a label for the kind of information (status_tag), a list of sources (source_ids) and a verified flag. Licence: CC BY 4.0 — please credit the site name and address.

Quality checks on every publication

  • the 15-seat equation on every date (sworn + disputed + elected without oath + vacant = 15, no double counting)
  • every footnote resolves to a record in sources.json with a URL or full citation and an access date
  • no unverified item in the summary or at the Basics level
  • Polish and English versions complete at all levels
  • no broken internal links
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