"Dia Internacional dels Treballadors" meaning in Catalan

{
  "forms": [
    {
      "form": "Dies Internacionals dels Treballadors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "Dia Internacional dels Treballadors"
      },
      "expansion": "Dia Internacional dels Treballadors m (plural Dies Internacionals dels Treballadors)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Catalan entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Catalan masculine nouns ending in -a",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "ca",
          "name": "Holidays",
          "orig": "ca:Holidays",
          "parents": [
            "Observances",
            "Calendar",
            "Timekeeping",
            "Time",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "International Workers' Day"
      ],
      "id": "en-Dia_Internacional_dels_Treballadors-ca-noun-oVJld3Rt",
      "related": [
        {
          "word": "Primer de Maig"
        }
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Dia Internacional dels Treballadors"
}

{
  "forms": [
    {
      "form": "Dies Internacionals dels Treballadors",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "m",
        "head": "Dia Internacional dels Treballadors"
      },
      "expansion": "Dia Internacional dels Treballadors m (plural Dies Internacionals dels Treballadors)",
      "name": "ca-noun"
    }
  ],
  "lang": "Catalan",
  "lang_code": "ca",
  "pos": "noun",
  "related": [
    {
      "word": "Primer de Maig"
    }
  ],
  "senses": [
    {
      "categories": [
        "Catalan countable nouns",
        "Catalan entries with incorrect language header",
        "Catalan lemmas",
        "Catalan masculine nouns",
        "Catalan masculine nouns ending in -a",
        "Catalan multiword terms",
        "Catalan nouns",
        "Catalan nouns with red links in their headword lines",
        "ca:Holidays"
      ],
      "glosses": [
        "International Workers' Day"
      ],
      "tags": [
        "masculine"
      ]
    }
  ],
  "word": "Dia Internacional dels Treballadors"
}