<http://caligraph.org/ontology/1443_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1444_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1440s_birth>	<http://www.w3.org/2000/01/rdf-schema#label>	"1440s birth" .
<http://caligraph.org/ontology/1442_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1449_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1440s_birth>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1440s_births> .
<http://caligraph.org/ontology/1445_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1441_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1440_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1448_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1446_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1440s_birth>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1447_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1440s_birth> .
<http://caligraph.org/ontology/1440s_birth>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/15th-century_birth> .