<http://lod.ehri-project-test.eu/dates/1957-04-28> <https://www.ica.org/standards/RiC/ontology#normalizedDateValue> "1957-04-28" .
<http://lod.ehri-project-test.eu/dates/1957-04-28> <https://www.ica.org/standards/RiC/ontology#isBeginningDateOf> <http://lod.ehri-project-test.eu/units/gb-003348-wl3000_9_1-1146> .
<http://lod.ehri-project-test.eu/dates/1957-04-28> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <https://www.ica.org/standards/RiC/ontology#Date> .