1871 https://w3id.org/zericatalog/date/1871 an entity of type: E52_Time-Span ti:hasIntervalStartDate 1871-01-01T00:00:00Z rdfs:label 1871 1871 1871 ca. 1871 ca. 1871 rdf:type crm:E52_Time-Span data from the linked data cloud