@prefix ns1: . @prefix ns2: . @prefix rdfs: . @prefix xsd: . a ns1:Event ; rdfs:label "Patriotic Celebration Commemorating the Birthday of George Washington" ; ns2:conductor ; ns2:orchestra ; ns1:description "tribute" ; ns1:location ; ns1:organizer ; ns1:startDate "1921-02-22T10:30:00"^^xsd:dateTime ; ns1:subEvent , , , , , , , ; rdfs:comment "Presented under the auspices of the Sons of the Revolution" .