query: embed.html#SELECT DISTINCT
    (SAMPLE(?item) as ?item)
    (SAMPLE(COALESCE(?armament_en_label, ?armament_any_label)) as ?armament)
    (SAMPLE(?date) as ?date)
    (SAMPLE(?injured) as ?injured)
    (SAMPLE(?deaths) as ?deaths)
    (SAMPLE(?participant_en_label) as ?participant)
    (SAMPLE(?target_en_label) as ?target)
    (SAMPLE(?location_en_label) as ?location)
    (SAMPLE(?country_en_label) as ?country)
    (SAMPLE(COALESCE(?en_label, ?any_label)) as ?name)
    (SAMPLE(COALESCE(?en_description, ?item_description)) as ?description)
  WHERE {
    ?item wdt:P710 wd:Q1259273.
    OPTIONAL {?item wdt:P585 ?date}
    OPTIONAL {?item wdt:P1339 ?injured}
    OPTIONAL {?item wdt:P1120 ?deaths}
    OPTIONAL {?item wdt:P710 ?participant. ?participant rdfs:label ?participant_en_label. FILTER(LANG(?participant_en_label) = "fr")}
    OPTIONAL {?item wdt:P533 ?target. ?target rdfs:label ?target_en_label. FILTER(LANG(?target_en_label) = "fr")}
    OPTIONAL {?item wdt:P276 ?location. ?location rdfs:label ?location_en_label. FILTER(LANG(?location_en_label) = "fr")}
    OPTIONAL {?item wdt:P17 ?country. ?country rdfs:label ?country_en_label. FILTER(LANG(?country_en_label) = "fr")}
    OPTIONAL {?item wdt:P520 ?armament. ?armament rdfs:label ?armament_en_label. FILTER(LANG(?armament_en_label) = "fr").}
    OPTIONAL {?item rdfs:label ?en_label. FILTER(LANG(?en_label) = "fr")} OPTIONAL {?item rdfs:label ?any_label}
    OPTIONAL {?item wdt:P4089 ?GDT_id.}
    OPTIONAL {?item schema:description ?en_description. FILTER(LANG(?en_description) = "fr"). ?item schema:description ?item_description}
  }
  GROUP BY ?item ORDER BY DESC(?date)