What is {inception} of {Kingdom of Bohemia} that is {instance of} is {statement with Gregorian date earlier than 1584} ?
Before 1584, what did the Kingdomf of Bohemia use?
What did the Kingdom of Bohemia use before 1584?
SELECT ?r WHERE { ?j rdf:type ontology:statement_with_Gregorian_date_earlier_than_1584 . resource:Kingdom_of_Bohemia property:inception ?j . ?j property:inception ?r }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q42585> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P571> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P31> <http://wikidata.dbpedia.org/resource/Q26961029>
} 

SELECT ?obj WHERE { wd:Q42585 p:P571 ?s . ?s ps:P571 ?obj . ?s pq:P31 wd:Q26961029 }