1957-1967 https://w3id.org/zericatalog/date/1957-1967 an entity of type: E52_Time-Span ti:hasIntervalEndDate 1967-01-01T00:00:00Z ti:hasIntervalStartDate 1957-01-01T00:00:00Z rdfs:label enit 1957-1967 1957-1967 rdf:type crm:E52_Time-Span