1956-1957 https://w3id.org/zericatalog/date/1956-1957 an entity of type: E52_Time-Span ti:hasIntervalEndDate 1957-01-01T00:00:00Z ti:hasIntervalStartDate 1956-01-01T00:00:00Z rdfs:label 1956-1957 1956-1957 rdf:type crm:E52_Time-Span data from the linked data cloud