<http://caligraph.org/ontology/Maritime_incident_in_1556>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/16th-century_maritime_incident> .
<http://caligraph.org/ontology/16th-century_maritime_incident>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/16th-century_maritime_incident>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Maritime_incident> .
<http://caligraph.org/ontology/16th-century_maritime_incident>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:16th-century_maritime_incidents> .
<http://caligraph.org/ontology/16th-century_maritime_incident>	<http://www.w3.org/2000/01/rdf-schema#label>	"16th-century maritime incident" .
<http://caligraph.org/ontology/Maritime_incident_in_1570>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/16th-century_maritime_incident> .