<http://caligraph.org/ontology/1850_in_Minnesota_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_New_Mexico_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850> .
<http://caligraph.org/ontology/1850_in_Indian_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Washington,_D.C.>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/2000/01/rdf-schema#label>	"1850 in the United States" .
<http://caligraph.org/ontology/1850_in_Kansas_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Oregon_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1850s_in_the_United_States_by_state> .
<http://caligraph.org/ontology/1850_in_Washington_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1850s_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_the_United_States>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:1850s_in_the_United_States_by_city> .
<http://caligraph.org/ontology/1850_in_Utah_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Oregon>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_New_York_City>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Florida>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Nebraska_Territory>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .
<http://caligraph.org/ontology/1850_in_Chicago>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/1850_in_the_United_States> .