HumanitiesWeb.org - Glossary definition: Breton-Norman War
Breton-Norman War
(1064 - 1065)

This war between Brittany and Normandy was sparked after William the Conqueror, as Duke of Normandy, supported Rivallon I of Dol's rebellion against the hereditary Duke of Brittany, Conan II. Conan was defeated at the Battle of Dinan, and his surrender is recorded in the Bayeux Tapestry

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