<http://caligraph.org/ontology/August_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1847_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1843_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1840_events_by_month> .
<http://caligraph.org/ontology/1842_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/March_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/May_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/February_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1841_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840s_event>	<http://www.w3.org/2000/01/rdf-schema#label>	"1840s event" .
<http://caligraph.org/ontology/1849_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/November_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/December_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840_sports_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1848_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/June_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1846_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/September_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840s_event>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1840s_events> .
<http://caligraph.org/ontology/April_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/July_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840s_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event> .
<http://caligraph.org/ontology/January_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1845_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1840s_event>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/October_1840_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .
<http://caligraph.org/ontology/1844_event>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1840s_event> .