Assertion: region's area | /r/CapableOf | form part of the frankish empire
Facets:
value: from the 5th century
type: TEMPORAL
Source sentences:
text: From the 5th century the area formed part of the Frankish Empire, and in the feudal period it encompassed the six countships of Boulogne, Montreuil, Ponthieu, Amiénois, Vermandois, and Laonnois.