query: #defaultView:Timeline
  select ?language ?languageLabel ?time ?image WHERE 
  {
   ?language wdt:P31 wd:Q9143 ;
             wdt:P571 ?time .
    OPTIONAL {?language wdt:P154 ?image .}
    OPTIONAL {?language wdt:P18 ?image .}
    SERVICE wikibase:label { bd:serviceParam wikibase:language "en, fr, de, pl". }
  }
  