query: #defaultView:Timeline
  SELECT ?item ?itemLabel ?_image ?startdate ?enddate WHERE {
    ?item wdt:P361 wd:Q61741587.
    SERVICE wikibase:label {
      bd:serviceParam wikibase:language "en" . 
    }  
    ?item wdt:P580 ?startdate .
    ?item wdt:P582 ?enddate .
  }
  