Assertion: fortress | /r/CapableOf | exist by 10th century
Facets:
value: definitely
type: DEGREE
Source sentences:
text: The fort definitely existed by the 10th century, when it is first mentioned in the historical records.
text: The fort has existed at least since the 10th century, and the inscriptions and monuments found within what is now the fort campus indicate that it may have existed as early as the beginning of the 6th century.