Battle of Auray
Defeats Charles of Blois & ends the war of the Breton succession
Role range: 1474-1477 – 1365-1399
Historical biography archive · Updated 2026-11-03
John IV of Brittany Biography and Timeline
Follow John IV of Brittany through 8 dated historical records for France.
John IV of Brittany, historical timeline
A chronological timeline drawn from matching World History Database records.
8Distinct records
1 of 1Page
1364–1381Years on this page
1364
1365
Rule of Brittany
Recognized by Charles V of France as the Duke of Brittany under the Treaty of Brittany
Role range: 1365-1399
Succession
Succeeds as Duke of France
Role range: 1365-1399
Treaty of Guerande
Recognized by Charles V of France as the Duke of Brittany
Role range: 1365-1399
1372
Peerage
Created Earl of Richmond
Role range: 1365-1399
1373
Exile of John IV of Brittany
Forced to flee to England after the French capture of Brittany
Role range: 1365-1399
1380
Alliance John IV of Brittany and Richard II of England
Makes an alliance with Richard II of England
Role range: 1365-1399
1381
Treaty of Guerande, 2nd
Regains the Duchy of Brittany
Role range: 1365-1399
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.