Assertion: keep's tower | /r/HasProperty | built by 11th century
Facets:
value: with characteristic inner and outer courts
type: OTHER
value: as part of hohenburgen castles
type: LOCATION
value: commonly
type: DEGREE
Source sentences:
text: In the Holy Roman Empire, tall, free-standing, wooden (later stone), fighting towers called Bergfriede were commonly built by the 11th century, either as part of motte-and-bailey designs or, as part of Hohenburgen castles, with characteristic inner and outer courts.