Assertion: borderland | /r/CapableOf | cover area
Facets:
value: by about ad
type: TEMPORAL
Source sentences:
text: By about AD 1100 the March covered the areas which would later become Monmouthshire and much of Flintshire, Montgomeryshire, Radnorshire, Brecknockshire, Glamorgan, Carmarthenshire and Pembrokeshire.