Succession582
Succeeds as Tsar of Bulgaria
Historical person
Boris I Biography
Historical biography and chronological timeline for Boris I, based on 2 World History Database records associated with Bulgaria.
2 records582–8662 events1 places
Chronological biography
582
866
Conversion866
Forced by Emperor Michael III to convert himself & his subjects to Christianity
Titles and roles
Tsar
Record provenance
This biography is assembled from World History Database records filtered by country and personal-name fields. Exact duplicate display records are removed. The database is an index rather than a complete narrative biography; formal research should verify entries against relevant primary or specialist sources.