{
  "timeline": [
    {
      "date": "1876/7",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "益田孝らが旧三井物産会社を設立",
      "detail": "三井財閥の商事会社として発足",
      "significance": "日本の総合商社業態の原型を作った企業の誕生",
      "source": ""
    },
    {
      "date": "1909",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "三井合名会社の傘下で株式会社三井物産に改組",
      "detail": "財閥組織下での法人化",
      "significance": "財閥系商社の体制確立",
      "source": ""
    },
    {
      "date": "1945",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "終戦により旧三井物産の海外資産・取引を喪失",
      "detail": "敗戦による商社機能の壊滅",
      "significance": "戦後商社解体の直接要因",
      "source": ""
    },
    {
      "date": "1947/7",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "過度経済力集中排除法により旧三井物産が解散",
      "detail": "財閥解体に伴う強制分割",
      "significance": "戦前商社の終焉",
      "source": ""
    },
    {
      "date": "1947/7",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "旧三井物産の解散に伴い新会社群へ分割、現・三井物産の前身となる企業が発足",
      "detail": "GHQ指導下での分散",
      "significance": "現三井物産の直接の出発点",
      "source": ""
    },
    {
      "date": "1949/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所再開時に上場",
      "detail": "戦後資本市場への復帰",
      "significance": "公開企業としての再出発",
      "source": ""
    },
    {
      "date": "1959/2",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "分散していた旧三井物産系商社を統合し現在の三井物産株式会社が発足",
      "detail": "戦後分割から10年を経ての再統合",
      "significance": "現・三井物産の組織的な再結集",
      "source": ""
    },
    {
      "date": "1963/1",
      "category": "海外進出",
      "region": "その他",
      "importance": 2,
      "event": "豪州Moura炭鉱（現 Dawson炭鉱）開発への参画",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1963/5",
      "category": "株式上場",
      "region": "米州",
      "importance": 2,
      "event": "米国預託証券（ADR）を発行（1971年2月に米国NASDAQに登録）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1965/2",
      "category": "海外進出",
      "region": "その他",
      "importance": 1,
      "event": "豪州Robe River鉄鉱山への参画",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1966/4",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "米国三井物産株式会社を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1966/10",
      "category": "業務提携",
      "region": "その他",
      "importance": 2,
      "event": "豪州Mount Newman鉄鉱石長期契約締結",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/2",
      "category": "海外進出",
      "region": "米州",
      "importance": 2,
      "event": "ブラジルMBRへの参画（企業買収・統合などの再編を経て、現在のValeに至る）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "リース事業部を分離し、三井リース事業株式会社（現 JA三井リース株式会社）を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1971/9",
      "category": "業務提携",
      "region": "",
      "importance": 3,
      "event": "アブダビ・ダス島LNG（現 ADNOC LNG）開発基本協定調印",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1973",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "オイルショック前後の資源取引拡大",
      "detail": "LNG・石油・鉄鉱石など一次資源取扱の拡張期",
      "significance": "総合商社の資源依存構造の定着",
      "source": ""
    },
    {
      "date": "1976/11",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "本店を東京都千代田区大手町に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1977",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "モザンビークのLNG事業への関与開始（長期視点）",
      "detail": "後のRhodes Ridge鉄鉱石事業と並ぶ長期資源プロジェクトの源流",
      "significance": "長期交渉型大型資源案件の原型",
      "source": ""
    },
    {
      "date": "1990/12",
      "category": "事業売却",
      "region": "",
      "importance": 2,
      "event": "イラン化学開発清算完了によりイラン石油化学プロジェクト終結（1971年に基本協定調印）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/10",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "営業本部長制導入",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "三井物産鉄鋼建材株式会社（現 三井物産スチール株式会社）を設立",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1994/6",
      "category": "業務提携",
      "region": "",
      "importance": 3,
      "event": "サハリンⅡ石油・天然ガス開発契約（生産分与契約）調印",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/2",
      "category": "企業買収",
      "region": "米州",
      "importance": 2,
      "event": "自動車販売・総合ソリューション事業Penske Automotive Groupに出資",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "執行役員制を導入",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/6",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "社外取締役1名を初めて選任",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結収益4兆1154億円、当期利益2024億円",
      "detail": "資源高ブームによる高収益期",
      "significance": "資源依存型収益構造の確立",
      "source": "有価証券報告書",
      "amount": "連結収益4兆1154億円、当期利益2024億円"
    },
    {
      "date": "2006/4",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "海外地域本部制導入",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結収益5兆7388億円、当期利益4100億円",
      "detail": "資源高ピーク期の過去最高益",
      "significance": "資源ブーム期の到達点",
      "source": "有価証券報告書",
      "amount": "連結収益5兆7388億円、当期利益4100億円"
    },
    {
      "date": "2010/2",
      "category": "業務提携",
      "region": "米州",
      "importance": 2,
      "event": "米国Marcellusシェールガス開発生産プロジェクトへの参画",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/4",
      "category": "株式上場",
      "region": "米州",
      "importance": 2,
      "event": "米国NASDAQ上場廃止（同年7月に米国証券取引委員会（SEC）登録廃止）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "当期利益4344億円",
      "detail": "資源高再来と高収益持続",
      "significance": "商社利益首位争いの本格化",
      "source": "有価証券報告書",
      "amount": "当期利益4344億円"
    },
    {
      "date": "2013/12",
      "category": "業務提携",
      "region": "米州",
      "importance": 1,
      "event": "米国Fairway Methanolへの参画",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "IFRS適用初年度、収益11兆1554億円",
      "detail": "会計基準変更",
      "significance": "IFRS移行による表示拡大",
      "source": "有価証券報告書",
      "amount": "収益11兆1554億円"
    },
    {
      "date": "2014/10",
      "category": "業務提携",
      "region": "米州",
      "importance": 3,
      "event": "米国Cameron LNGプロジェクトへの参画",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "飯島彰己が社長を退任し安永竜夫が代表取締役社長に就任",
      "detail": "FY14期首の経営体制交代",
      "significance": "資源価格下落局面への交代",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/3",
      "category": "",
      "region": "米州",
      "importance": 4,
      "event": "当期純損失834億円を計上",
      "detail": "チリ銅・シェールガス等の減損処理",
      "significance": "資源価格急落で戦後初の大規模赤字",
      "source": "有価証券報告書",
      "amount": "純損失▲834億円"
    },
    {
      "date": "2017/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "当期利益3061億円でV字回復",
      "detail": "資源価格反発と非資源強化の初期成果",
      "significance": "赤字からの反転",
      "source": "有価証券報告書",
      "amount": "当期利益3061億円"
    },
    {
      "date": "2019/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "当期利益4142億円、営業利益2722億円",
      "detail": "IFRS上の営業利益開示開始",
      "significance": "利益水準の再拡大",
      "source": "有価証券報告書",
      "amount": "当期利益4142億円、営業利益2722億円"
    },
    {
      "date": "2020/5",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "新社屋完成",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "安永竜夫が社長を退任し堀健一が代表取締役社長に就任",
      "detail": "FY20期首の経営体制交代",
      "significance": "脱炭素・人材戦略への転換",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結収益11兆7575億円、当期利益9147億円",
      "detail": "資源高復帰と非資源貢献",
      "significance": "コロナ後のV字拡大",
      "source": "有価証券報告書",
      "amount": "連結収益11兆7575億円、当期利益9147億円"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所市場第一部からプライム市場へ移行",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2023/3",
      "category": "",
      "region": "",
      "importance": 4,
      "event": "連結収益14兆3064億円、当期利益1兆1306億円",
      "detail": "24年ぶり商社利益首位",
      "significance": "総合商社利益首位復帰",
      "source": "有価証券報告書",
      "amount": "連結収益14兆3064億円、当期利益1兆1306億円"
    },
    {
      "date": "2023/4",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "国内大手給食事業者エームサービス株式会社の完全子会社化（1976年に設立）",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2024",
      "category": "企業買収",
      "region": "",
      "importance": 4,
      "event": "Rhodes Ridge鉄鉱石事業への参画を公表",
      "detail": "20年間の交渉を経て約8000億円規模の投資",
      "significance": "長期資源案件の集大成",
      "source": "IR",
      "amount": "投資額約8000億円、年間1億トン体制で基礎CF2500億円見込み"
    },
    {
      "date": "2024/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結収益13兆3249億円、当期利益1兆636億円",
      "detail": "2年連続1兆円超",
      "significance": "利益1兆円商社の定着",
      "source": "有価証券報告書",
      "amount": "連結収益13兆3249億円、当期利益1兆636億円"
    },
    {
      "date": "2024/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "普通株式1株につき2株の割合で株式分割を実施",
      "detail": "流動性向上",
      "significance": "個人投資家層拡大に向けた資本政策",
      "source": "IR"
    },
    {
      "date": "2025",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "2026年3月期見通しを純利益8200億円・基礎営業CF9000億円に下方修正",
      "detail": "当初目標9200億円・1兆円からの修正",
      "significance": "インフレ・金利・先行コストによる中経目標ギャップ",
      "source": "IR",
      "amount": "純利益8200億円"
    },
    {
      "date": "2025",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "モザンビークLNG建設が4年間の不可抗力宣言解消を経て再開",
      "detail": "既存一括請負契約の維持",
      "significance": "長期停滞プロジェクトの再始動",
      "source": "IR"
    },
    {
      "date": "2025",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "基礎営業キャッシュ・フロー「100億ドル」を中長期目標として堀社長が明示",
      "detail": "商社の収益力上限を押し上げる野望",
      "significance": "長期目標の数値化",
      "source": "",
      "amount": "100億ドル（約1兆5000億円規模）"
    },
    {
      "date": "2025/2",
      "category": "業務提携",
      "region": "その他",
      "importance": 2,
      "event": "豪州Rhodes Ridge鉄鉱石プロジェクトへの参画を決定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/3",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "連結収益14兆6626億円、当期利益9003億円",
      "detail": "資源価格正常化と前期比減益",
      "significance": "減益も1兆円水準圏内",
      "source": "有価証券報告書",
      "amount": "連結収益14兆6626億円、当期利益9003億円、自己資本7兆5466億円"
    },
    {
      "date": "2026/1",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "機構改組でデジタル・電力ソリューション本部と総合エネルギーソリューション本部を新設",
      "detail": "次期中経に向けた事業本部再編",
      "significance": "エネルギー分野の再構成",
      "source": "IR"
    }
  ]
}