"det var en gang" meaning in All languages combined

{
  "etymology_text": "Literally \"there was once\", or, even more literally: \"it was one time\".",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "phrase",
        "cat2": "phrasebook"
      },
      "expansion": "det var en gang",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "phrase",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Norwegian Bokmål entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Norwegian Bokmål phrasebook",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        }
      ],
      "glosses": [
        "once upon a time, there was ..."
      ],
      "id": "en-det_var_en_gang-nb-phrase-oZyfKqTr",
      "links": [
        [
          "once upon a time",
          "once upon a time"
        ]
      ],
      "related": [
        {
          "tags": [
            "Nynorsk"
          ],
          "word": "det var ein gong"
        }
      ]
    }
  ],
  "word": "det var en gang"
}

{
  "etymology_text": "Literally \"there was once\", or, even more literally: \"it was one time\".",
  "head_templates": [
    {
      "args": {
        "1": "nb",
        "2": "phrase",
        "cat2": "phrasebook"
      },
      "expansion": "det var en gang",
      "name": "head"
    }
  ],
  "lang": "Norwegian Bokmål",
  "lang_code": "nb",
  "pos": "phrase",
  "related": [
    {
      "tags": [
        "Nynorsk"
      ],
      "word": "det var ein gong"
    }
  ],
  "senses": [
    {
      "categories": [
        "Norwegian Bokmål entries with incorrect language header",
        "Norwegian Bokmål lemmas",
        "Norwegian Bokmål multiword terms",
        "Norwegian Bokmål phrasebook",
        "Norwegian Bokmål phrases",
        "Pages with 1 entry",
        "Pages with entries"
      ],
      "glosses": [
        "once upon a time, there was ..."
      ],
      "links": [
        [
          "once upon a time",
          "once upon a time"
        ]
      ]
    }
  ],
  "word": "det var en gang"
}