query: #defaultView:Map
  SELECT DISTINCT ?item ?itemLabel ?countryLabel (YEAR(?date) AS ?year) ?coords ?image WHERE {
    {
      SELECT (MIN(?date) AS ?date) ?country WHERE {
        ?item p:P1435 ?statement ;
              wdt:P17 ?country .
        ?statement ps:P1435 wd:Q9259 ;
                   pq:P580 ?date .
      }
      GROUP BY ?country
    }
    ?item p:P1435 ?statement ;
          wdt:P17 ?country ;
          wdt:P625 ?coords .
    OPTIONAL { ?item wdt:P18 ?image }
    ?statement ps:P1435 wd:Q9259 ;
               pq:P580 ?date .
    SERVICE wikibase:label { bd:serviceParam wikibase:language "fr" . }
  } ORDER BY ?countryLabel ?itemLabel