query: #defaultView:Timeline
  SELECT ?item ?itemLabel ?pubdate
  WHERE
  {
  	?item wdt:P31 wd:Q482994.
      ?item wdt:P175 ?group.
      ?group wdt:P495 wd:Q668.
      ?item wdt:P577 ?pubdate.
  	SERVICE wikibase:label { bd:serviceParam wikibase:language "en" }
  }
  GROUP BY ?item ?itemLabel ?pubdate
  #