Anastasius Bibliothecarius
Antipope and chief archivist of the Catholic church
- Lived
- ?–879
- Country
- Papal States
Updated September 2026
About Anastasius Bibliothecarius
Anastasius Bibliothecarius was the chief archivist and librarian of the Holy See and also briefly a claimant to the papacy.
Biography from Wikipedia, CC BY-SA 4.0. Photo via Wikimedia Commons.
Sources: book lists and dates from Wikidata and Open Library, ratings from Open Library readers. Last updated September 2026.