rdfs:comment included unless unknown. If the time (or parts of time,) is unknown, use 00:00:00Z. If the day/month is, unknown, use 01-01, for instance, if we only know @en
rdfs:comment be included unless unknown. If the time (or parts, of time) is unknown, use 00:00:00Z. If the day,/month is unknown, use 01-01, for instance, if we only @en
rdfs:comment be included unless unknown. If the time (or parts, of time) is unknown, use 00:00:00Z. If the day,/month is unknown, use 01-01, for instance, if we only @en