<http://caligraph.org/ontology/February_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1926_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1920s_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event> .
<http://caligraph.org/ontology/1921_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1925_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1924_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/April_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/November_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/September_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/October_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1920s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1920_events_by_month> .
<http://caligraph.org/ontology/August_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/July_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1920s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1920s_events> .
<http://caligraph.org/ontology/December_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1929_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/March_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1920s_event>	<http://www.w3.org/2000/01/rdf-schema#label>	"1920s event" .
<http://caligraph.org/ontology/1923_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/June_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/May_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1928_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/January_1920_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1920s_event>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1920_sports_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1922_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .
<http://caligraph.org/ontology/1927_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1920s_event> .