_:vb3834725 <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2006/time#Instant> . _:vb3834725 <http://www.w3.org/2006/time#inXSDDate> "1804"^^<http://www.w3.org/2001/XMLSchema#gYear> .