Historical biography archive · Updated 2026-11-03

Michael Cerularius Biography and Timeline

Follow Michael Cerularius through 1 dated historical records for Greece.

Michael Cerularius, historical timeline

A chronological timeline drawn from matching World History Database records.

1Distinct records
1 of 1Page
1054–1054Years on this page

1054

East West Excommunications

Eastern Church Leader · Constantinople · Religion

Mutual excommunications between papal legates and Patriarch Michael Cerularius became a symbol of the growing separation of the churches.

Records, sources and methodology

These dates and descriptions come from the historical_events database. Exact duplicate records have been collapsed. Names are grouped by the country, Name 2 and Name 1 fields; records with missing Name 2 cannot be reliably assigned to an individual biography. Check the underlying sources before formal citation.