query: SELECT ?item WHERE {
    ?item wdt:P195 wd:Q18563658.
    ?item wdt:P31 wd:Q11060274.
    ?item wdt:P571 ?date.
    filter(?date >= "1800-01-01T00:00:00Z"^^xsd:dateTime)
    filter(?date < "1900-01-01T00:00:00Z"^^xsd:dateTime)
  }