21 dicembre 1957 https://dati-asisp.intesasanpaolo.com/lod/resource/TimeInterval/21-dicembre-1957 <https://w3id.org/italia/onto/TI/TimeInterval> rdfs:label 21 dicembre 1957 rdf:type <https://w3id.org/italia/onto/TI/TimeInterval> data from the linked data cloud