What is the {historical country} for {official language} of {Romanian}
Which is the authentic nation that had Romanian as official dialect?
Which is the historical country that had Romanian as official language?
SELECT DISTINCT ?u WHERE { ?u property:official_language resource:Romanian . ?u rdf:type ontology:historical_country }
select distinct ?subj where { ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> ?subj . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P37> . ?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> <http://wikidata.dbpedia.org/resource/Q7913> . ?subj <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q3024240> } 
 select distinct ?sbj where { ?sbj wdt:P37 wd:Q7913 . ?sbj wdt:P31 wd:Q3024240 } 
Kingdom of Romania Principality of Wallachia Principality of Transylvania United Principalities Moldavian Democratic Republic Principality of Moldavia Kingdom of Romania under Fascism