{
  "timeline": [
    {
      "date": "1885/10",
      "category": "会社設立",
      "region": "",
      "importance": 5,
      "event": "郵便汽船三菱会社と共同運輸会社が合併し日本郵船会社が発足",
      "detail": "資本金1100万円、保有汽船58隻（6万4610総トン）、沿岸航路11線・近海航路3線で営業開始",
      "significance": "明治政府の海運政策を背景に三菱系と政府系が統合。日本の外航海運の原点",
      "source": "",
      "amount": "資本金1100万円、汽船58隻"
    },
    {
      "date": "1893/3",
      "category": "",
      "region": "欧州",
      "importance": 3,
      "event": "ボンベイ航路を開設",
      "detail": "日本初の遠洋定期航路",
      "significance": "日本の海運が欧州勢の独占するアジア航路に参入した画期",
      "source": ""
    },
    {
      "date": "1896/3",
      "category": "",
      "region": "米州",
      "importance": 3,
      "event": "欧州航路・北米シアトル航路を開設",
      "detail": "",
      "significance": "世界の主要幹線航路への参入。日本の対外貿易の拡大を支えた",
      "source": ""
    },
    {
      "date": "1896/10",
      "category": "",
      "region": "その他",
      "importance": 2,
      "event": "豪州航路を開設",
      "detail": "",
      "significance": "",
      "source": ""
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所に上場",
      "detail": "",
      "significance": "戦後復興期に株式上場を再開",
      "source": "有価証券報告書"
    },
    {
      "date": "1964/10",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "世界初のチップ専用船「呉丸」竣工",
      "detail": "",
      "significance": "専用船事業の先駆け。定期船から不定期専用船への多角化の起点",
      "source": ""
    },
    {
      "date": "1968/9",
      "category": "",
      "region": "米州",
      "importance": 3,
      "event": "日本初のコンテナ船「箱根丸II」を北米航路に就航",
      "detail": "",
      "significance": "日本のコンテナ時代の幕開け。海上輸送の標準化・効率化を牽引",
      "source": ""
    },
    {
      "date": "1970/1",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "自動車専用船による輸送を開始",
      "detail": "自動車兼ばら積船「第五とよた丸」等",
      "significance": "自動車輸出の急増に対応。のち日本郵船の主力事業の一つに成長",
      "source": ""
    },
    {
      "date": "1983/1",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "LNG船事業に進出",
      "detail": "",
      "significance": "エネルギー輸送への多角化。のちLNG船隊は世界最大級に成長",
      "source": ""
    },
    {
      "date": "1985/10",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "創業100周年",
      "detail": "",
      "significance": "",
      "source": ""
    },
    {
      "date": "2007/10",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "郵船航空サービスが郵船ロジスティクスに商号変更",
      "detail": "",
      "significance": "物流事業の統合ブランド化",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "営業損失を計上（リーマンショック後）",
      "detail": "2010年3月期は営業損失180億円、経常損失304億円",
      "significance": "リーマンショックによる海運市況の急落。不定期船のバルク運賃が暴落",
      "source": "有価証券報告書",
      "amount": "営業損失▲180億円"
    },
    {
      "date": "2012/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結純損失728億円を計上",
      "detail": "2012年3月期",
      "significance": "定期船事業の赤字拡大と円高・海運市況低迷の複合要因",
      "source": "有価証券報告書",
      "amount": "純損失▲728億円"
    },
    {
      "date": "2013/7",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "太平洋海運を吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "内藤忠顕が社長に就任",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/10",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "邦船3社がコンテナ船事業の統合を発表",
      "detail": "日本郵船・商船三井・川崎汽船の定期コンテナ船事業を統合する方針を発表",
      "significance": "海運不況を背景にした邦船3社のコンテナ船事業統合。日本の海運業界再編の転換点",
      "source": ""
    },
    {
      "date": "2017/3",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "連結純損失2657億円を計上",
      "detail": "コンテナ船・ドライバルク船・貨物航空機の減損損失等で特別損失約1950億円を計上",
      "significance": "上場来最大の赤字。定期船・ドライバルク市況の長期低迷が経営を直撃",
      "source": "有価証券報告書",
      "amount": "純損失▲2657億円、特別損失約1950億円"
    },
    {
      "date": "2017/7",
      "category": "",
      "region": "東南アジア",
      "importance": 4,
      "event": "ONE（Ocean Network Express）を設立",
      "detail": "日本郵船38%、商船三井31%、川崎汽船31%の出資比率。本社シンガポール",
      "significance": "邦船3社のコンテナ船事業を統合した世界第6位のコンテナ船会社",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/2",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "郵船ロジスティクスを完全子会社化",
      "detail": "株式公開買付けと株式売渡請求により上場廃止",
      "significance": "物流事業の経営一体化による意思決定の迅速化",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/4",
      "category": "",
      "region": "欧州",
      "importance": 3,
      "event": "ONEがサービス開始",
      "detail": "コンテナ船140万TEU、世界第6位の船隊",
      "significance": "邦船3社のコンテナ船事業の実質的な統合完了",
      "source": "有価証券報告書",
      "amount": "コンテナ船約140万TEU"
    },
    {
      "date": "2019/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "長澤仁志が社長に就任",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/3",
      "category": "",
      "region": "",
      "importance": 5,
      "event": "経常利益1兆31億円、純利益1兆91億円を計上",
      "detail": "ONEの持分法利益を中心にコンテナ船運賃高騰の恩恵",
      "significance": "日本の海運業界で初の経常利益1兆円超。コロナ禍のサプライチェーン混乱が運賃を急騰させた",
      "source": "有価証券報告書",
      "amount": "経常利益1兆31億円、純利益1兆91億円"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "経常利益1兆1097億円、純利益1兆125億円を計上",
      "detail": "2期連続の1兆円超利益",
      "significance": "2期連続で経常利益1兆円を超える空前の業績",
      "source": "有価証券報告書",
      "amount": "経常利益1兆1097億円、純利益1兆125億円"
    },
    {
      "date": "2023/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "曽我貴也が社長に就任",
      "detail": "",
      "significance": "コンテナ船バブル後の経営正常化を担う",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "経常利益2613億円に正常化",
      "detail": "コンテナ船運賃の正常化で前期比大幅減益",
      "significance": "ONE利益の正常化により経常利益は前期の4分の1に縮小",
      "source": "有価証券報告書",
      "amount": "経常利益2613億円"
    },
    {
      "date": "2024/12",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "ENEOSオーシャンの海運事業を承継する新会社の株式80%を取得",
      "detail": "NYK Energy Ocean設立。原油タンカー以外の海運事業",
      "significance": "エネルギー輸送事業の強化",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "経常利益4908億円に回復",
      "detail": "紅海危機によるコンテナ船運賃再上昇でONE利益が回復",
      "significance": "紅海危機（フーシ派攻撃）による喜望峰迂回が運賃を押し上げた",
      "source": "有価証券報告書",
      "amount": "経常利益4908億円、純利益4777億円"
    }
  ]
}