What is {significant event} of {The Blue Boy} that is {point in time} is {1802-1-1} ?
In 1802 what event occurred in the Blue Boy
What significant event occurred in The Blue Boy on 1-1-1802?
SELECT ?l WHERE { resource:The_Blue_Boy property:significant_event ?o . ?o property:significant_event ?l . ?o property:point_in_time ?c . FILTER ( CONTAINS ( YEAR ( ?c ) , '1802' ) ) }
select distinct ?obj  where {
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#subject> <http://wikidata.dbpedia.org/resource/Q604761> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#predicate> <http://www.wikidata.org/entity/P793> .
?statement <http://www.w3.org/1999/02/22-rdf-syntax-ns#object> ?obj .
?statement <http://www.wikidata.org/entity/P585> <1802-1-1>
} 

SELECT ?obj WHERE { wd:Q604761 p:P793 ?s . ?s ps:P793 ?obj . ?s pq:P585 ?x filter(contains(YEAR(?x),'1802')) }