Assertion: empire's ruler | /r/HasProperty | charlemagne
Facets:
Source sentences:
text: Most rulers maintained one or a number of favourites Imperial palace sites, where they would advance development and spent most of their time: Charlemagne (Aachen from 794), Frederick II (Palermo 1220–1254), Wittelsbacher (Munich 1328–1347 and 1744–1745), Habsburger (Prague 1355–1437 and 1576–1611) and (Vienna 1438–1576, 1611–1740 and 1745–1806).