These earlycitadelswill later evolve intocastellanies, serving as centers of:
Local government
Militia organization
Judicial courts
Baldwin alsoseizes lands abandoned by royal and ecclesiastical officials, expanding histerritorial controlin the absence of strong Carolingian authority.
The Anglo-Flemish Alliance: Baldwin’s Marriage to Ælfthryth (884)
In884, Baldwin marriesÆlfthryth (Elfrida), daughter of King Alfred the Great of England.
ThisAnglo-Flemish alliancestrengthens Baldwin’sposition against the Vikings, who continue toraid both England and Flanders.
The immediate goal of the marriage is to help Baldwincontrol the lower Canche River valley, a region ofstrategic military and economic importance.
Legacy of Baldwin II’s Early Rule
Transforms Flanders into a fortified region, securing itslong-term independence.
Establishesearly structures of feudal governance, ensuring thatFlemish rulers have strong regional control.
Strengthens ties betweenFlanders and England, laying the foundation forfuture alliances between the two regions.
Despite thecontinuous Viking threat, Baldwin IIsuccessfully consolidates Flanders, turninga vulnerable borderlandinto one of themost powerful medieval principalitiesin Europe.