Assertion: new keep | /r/HasProperty | built in england
Facets:
value: after this period
type: TEMPORAL
Source sentences:
text: By the 15th century, it was increasingly unusual for a lord to build both a keep and a large gatehouse at the same castle, and by the early 16th century, the gatehouse had easily overtaken the keep as the more fashionable feature: indeed, almost no new keeps were built in England after this period.