"long nineteenth century" meaning in English

{
  "etymology_text": "Introduced by the British historian Eric Hobsbawm (1917–2012).",
  "head_templates": [
    {
      "args": {},
      "expansion": "long nineteenth century",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
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          "source": "w"
        },
        {
          "kind": "other",
          "name": "French links with redundant target parameters",
          "parents": [
            "Links with redundant target parameters",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Historical periods",
          "orig": "en:Historical periods",
          "parents": [
            "History",
            "Timekeeping",
            "All topics",
            "Time",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Nineteen",
          "orig": "en:Nineteen",
          "parents": [
            "Numbers",
            "All topics",
            "Terms by semantic function",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "long eighteenth century"
        },
        {
          "word": "short twentieth century"
        }
      ],
      "glosses": [
        "The period from 1789 to 1914, beginning with the French Revolution and ending with the start of World War I."
      ],
      "id": "en-long_nineteenth_century-en-name-sbhX2umd",
      "links": [
        [
          "history",
          "history"
        ],
        [
          "period",
          "period#Noun"
        ],
        [
          "beginning",
          "begin#Verb"
        ],
        [
          "French Revolution",
          "French Revolution"
        ],
        [
          "ending",
          "end#Verb"
        ],
        [
          "start",
          "start#Noun"
        ],
        [
          "World War I",
          "World War I"
        ]
      ],
      "raw_glosses": [
        "(history) The period from 1789 to 1914, beginning with the French Revolution and ending with the start of World War I."
      ],
      "synonyms": [
        {
          "word": "long 19th century"
        }
      ],
      "topics": [
        "history",
        "human-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "word": "long XIXᵉ siècle"
        },
        {
          "code": "de",
          "lang": "German",
          "sense": "Translations",
          "word": "langes 19. Jahrhundert"
        },
        {
          "code": "ja",
          "lang": "Japanese",
          "roman": "nagai 19 seiki",
          "sense": "Translations",
          "word": "長い19世紀"
        }
      ],
      "wikipedia": [
        "Eric Hobsbawm"
      ]
    }
  ],
  "word": "long nineteenth century"
}

{
  "coordinate_terms": [
    {
      "word": "long eighteenth century"
    },
    {
      "word": "short twentieth century"
    }
  ],
  "etymology_text": "Introduced by the British historian Eric Hobsbawm (1917–2012).",
  "head_templates": [
    {
      "args": {},
      "expansion": "long nineteenth century",
      "name": "en-proper noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "name",
  "senses": [
    {
      "categories": [
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English proper nouns",
        "English terms with non-redundant non-automated sortkeys",
        "English uncountable nouns",
        "French links with redundant target parameters",
        "Translation table header lacks gloss",
        "en:Historical periods",
        "en:Nineteen"
      ],
      "glosses": [
        "The period from 1789 to 1914, beginning with the French Revolution and ending with the start of World War I."
      ],
      "links": [
        [
          "history",
          "history"
        ],
        [
          "period",
          "period#Noun"
        ],
        [
          "beginning",
          "begin#Verb"
        ],
        [
          "French Revolution",
          "French Revolution"
        ],
        [
          "ending",
          "end#Verb"
        ],
        [
          "start",
          "start#Noun"
        ],
        [
          "World War I",
          "World War I"
        ]
      ],
      "raw_glosses": [
        "(history) The period from 1789 to 1914, beginning with the French Revolution and ending with the start of World War I."
      ],
      "topics": [
        "history",
        "human-sciences",
        "sciences"
      ],
      "wikipedia": [
        "Eric Hobsbawm"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "long 19th century"
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "word": "long XIXᵉ siècle"
    },
    {
      "code": "de",
      "lang": "German",
      "sense": "Translations",
      "word": "langes 19. Jahrhundert"
    },
    {
      "code": "ja",
      "lang": "Japanese",
      "roman": "nagai 19 seiki",
      "sense": "Translations",
      "word": "長い19世紀"
    }
  ],
  "word": "long nineteenth century"
}