<http://caligraph.org/ontology/July_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950_sports_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1956_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/February_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/March_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/September_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1950_events_by_month> .
<http://caligraph.org/ontology/1958_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1951_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/April_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/November_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1954_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1959_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/August_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/May_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950s_event>	<http://www.w3.org/2000/01/rdf-schema#label>	"1950s event" .
<http://caligraph.org/ontology/1957_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/December_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1950s_events> .
<http://caligraph.org/ontology/1950s_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event> .
<http://caligraph.org/ontology/1953_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950_event_in_Australia>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950_event_in_Canada>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/October_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1950s_event>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1950_event_in_New_Zealand>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/January_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1955_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/June_1950_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .
<http://caligraph.org/ontology/1952_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1950s_event> .