Assertion: stone fortress | /r/HasProperty | invalid reftag
Facets:
Source sentences:
text: After his first visit to Timișoara, in the fall of 1307, Charles I of Hungary built the first stone fortress (Hungarian language: Temesvári várCite error: Invalid <ref> tag; refs with no content must have a name.) between 1308 and 1315, on the site of an existing clay fortress, using Italian craftsmen.