Historical biography archive · Updated 2026-11-03

Boniface III Biography and Timeline

Follow Boniface III through 5 dated historical records for Italy.

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Boniface III, historical timeline

A chronological timeline drawn from matching World History Database records.

5Distinct records

1 of 1Page

603–1204Years on this page

603 Pope

Pope · Vatican · Religion / Roman Catholic Church

Appointed Legate in Constantinople

Role range: 0607-0607

607 Pope

Pope · Vatican · Religion / Roman Catholic Church

Appointed Pope

Role range: 0607-0607

1202

Mobilization

Pope · Warfare / Holy Crusades, 4th

Pope Innocent III gives command of the 4th Crusade to Boniface III

Role range: 1202-1204

1204

Siege of Thessalonika

Pope · Thessalonika · Warfare / Holy Crusades, 4th

Leads the siege of Thessalonika

Role range: 1202-1204

1204

Succession

Pope · Thessalonika · Warfare / Holy Crusades, 4th

Rules Greece & Macedonia as the King of Thessalonika

Role range: 1202-1204

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.