1921-1921 https://w3id.org/zericatalog/date/1921-1921 an entity of type: E52_Time-Span ti:hasIntervalEndDate 1921-01-01T00:00:00Z ti:hasIntervalStartDate 1921-01-01T00:00:00Z rdfs:label 1921-1921 crm:P86_falls_within <https://w3id.org/zericatalog/date/xx> rdf:type crm:E52_Time-Span data from the linked data cloud