<http://caligraph.org/ontology/1854_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1850_events_by_month> .
<http://caligraph.org/ontology/May_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850_sports_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1853_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850s_event>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/September_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850s_event>	<http://www.w3.org/2000/01/rdf-schema#label>	"1850s event" .
<http://caligraph.org/ontology/1856_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1855_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/October_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/June_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1858_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/March_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/August_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/July_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850s_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event> .
<http://caligraph.org/ontology/February_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1857_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/December_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/November_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/April_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1852_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/January_1850_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1850s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1850s_events> .
<http://caligraph.org/ontology/1859_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .
<http://caligraph.org/ontology/1851_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850s_event> .