<http://caligraph.org/ontology/Sports_competition_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/2015_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Historical_event_in_Vietnam>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2002/07/owl#Class> .
<http://caligraph.org/ontology/2017_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/2019_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Historical_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#label>	"Historical event in Vietnam" .
<http://caligraph.org/ontology/2021_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/2020_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Diplomatic_conference_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Historical_event_in_Vietnam>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://en.wikipedia.org/wiki/Category:Historical_events_in_Vietnam> .
<http://caligraph.org/ontology/Election_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Historical_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Event_in_Vietnam> .
<http://caligraph.org/ontology/2016_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/2022_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .
<http://caligraph.org/ontology/Historical_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event> .
<http://caligraph.org/ontology/2018_event_in_Vietnam>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://caligraph.org/ontology/Historical_event_in_Vietnam> .