1957-1961 https://w3id.org/zericatalog/date/1957-1961 an entity of type: E52_Time-Span ti:hasIntervalEndDate 1961-01-01T00:00:00Z ti:hasIntervalStartDate 1957-01-01T00:00:00Z rdfs:label 1957-1961 1957-1961 rdf:type crm:E52_Time-Span data from the linked data cloud