<http://caligraph.org/ontology/20th-century_disaster_in_India>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_disasters_by_country> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_disasters> .
<http://caligraph.org/ontology/20th-century_natural_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:20th-century_disasters_by_continent> .
<http://caligraph.org/ontology/20th-century_disaster_in_China>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_transport_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/2000/01/rdf-schema#label>	"20th-century disaster" .
<http://caligraph.org/ontology/20th-century_disaster_in_Canada>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Disaster> .
<http://caligraph.org/ontology/20th-century_industrial_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster_in_Africa>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster_in_the_United_Kingdom>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_health_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event> .
<http://caligraph.org/ontology/20th-century_disaster_in_Russia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster_in_the_Philippines>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .
<http://caligraph.org/ontology/20th-century_disaster>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/20th-century_disaster_in_Pakistan>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/20th-century_disaster> .