<http://caligraph.org/ontology/Medieval_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_natural_disaster> .
<http://caligraph.org/ontology/6th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/15th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/11th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/Medieval_earthquake>	<http://www.w3.org/2000/01/rdf-schema#label>	"Medieval earthquake" .
<http://caligraph.org/ontology/5th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/12th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/8th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/Medieval_earthquake>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/14th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/Medieval_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Earthquake> .
<http://caligraph.org/ontology/9th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/13th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/7th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .
<http://caligraph.org/ontology/Medieval_earthquake>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Medieval_earthquakes> .
<http://caligraph.org/ontology/10th-century_earthquake>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Medieval_earthquake> .