{
  "timeline": [
    {
      "date": "1929/5",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "鶴羽薬師堂を北海道旭川市で創業",
      "detail": "医薬品等の小売販売業を目的として個人創業",
      "significance": "ツルハグループの起点。北海道発ドラッグストアの源流",
      "source": "有価証券報告書"
    },
    {
      "date": "1956/8",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ツルハ薬局に屋号変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1963/6",
      "category": "会社設立",
      "region": "",
      "importance": 2,
      "event": "株式会社ツルハ薬局を北海道旭川市に設立",
      "detail": "株式会社に組織変更し現㈱ツルハホールディングスの法人格を確立",
      "significance": "個人商店から株式会社への組織変更。法人格の起源",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/5",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "㈱クスリのツルハコントロールセンター（現㈱ツルハ）を旭川市に設立",
      "detail": "薬局・薬店への経営指導と医薬品等の卸売・小売を目的に資本金2百万円で設立",
      "significance": "後の事業会社となる現㈱ツルハの設立。経営指導会社として店舗網拡大の基盤",
      "source": "有価証券報告書",
      "amount": "資本金2百万円"
    },
    {
      "date": "1985/3",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "㈱ツルハが店舗数50店に到達",
      "detail": "",
      "significance": "北海道内チェーン店化の確立",
      "source": "有価証券報告書",
      "amount": "50店"
    },
    {
      "date": "1987/3",
      "category": "IT投資",
      "region": "",
      "importance": 2,
      "event": "㈱ツルハがEOS(オンライン受発注システム)を全店導入",
      "detail": "発注業務の合理化が目的",
      "significance": "1980年代後半のチェーンストア標準IT投資。発注効率化の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "1989/7",
      "category": "IT投資",
      "region": "",
      "importance": 2,
      "event": "㈱ツルハが全店POSレジを導入し店舗数100店に到達",
      "detail": "販売時点情報管理システム導入で業務合理化",
      "significance": "POSによる単品管理の基盤整備とチェーンの本格拡大",
      "source": "有価証券報告書",
      "amount": "100店"
    },
    {
      "date": "1991/7",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "営業の全部を㈱クスリのツルハコントロールセンター（現㈱ツルハ）に譲渡",
      "detail": "事業目的を保険代理業に定款変更",
      "significance": "小売事業を別会社に集約。事業会社／持株会社的分業の原型",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/8",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "㈱クスリのツルハコントロールセンターが㈱ツルハに商号変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1991/8",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが本社を札幌市東区に移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1993/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "㈱クレーン商事に商号変更",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1995/1",
      "category": "業務提携",
      "region": "",
      "importance": 3,
      "event": "ジャスコ㈱（現イオン㈱）と業務・資本提携契約を締結",
      "detail": "千葉市美浜区のジャスコと提携",
      "significance": "イオンとの30年にわたる資本業務関係の起点。2024年の本格統合へつながる伏線",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/6",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "㈱ツルハが日本証券業協会に株式を店頭登録",
      "detail": "",
      "significance": "事業会社レベルでの資本市場参入。資金調達力を獲得",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/11",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "㈱ドラッグトマト（岩手県盛岡市）を子会社化",
      "detail": "東北地区進出の足掛かり",
      "significance": "北海道外への本格進出。M&Aによる広域化戦略の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/2",
      "category": "株式上場",
      "region": "",
      "importance": 3,
      "event": "㈱ツルハが東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "東証市場での資金調達力獲得。全国チェーン化への財務基盤",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/11",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "㈱リバース（川崎市幸区）を子会社化",
      "detail": "首都圏進出の足掛かり",
      "significance": "関東進出の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/5",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "㈱ツルハが東京証券取引所市場第一部銘柄に指定",
      "detail": "",
      "significance": "上場2年目で一部昇格。資本市場での評価確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2002/6",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱ポテトカンパニー（山形県山形市）を子会社化",
      "detail": "東北地区の拡充",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2003/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが子会社㈱ドラッグトマトを吸収合併",
      "detail": "",
      "significance": "M&A後の統合プロセスの一例",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "札幌市東区に本店を移転",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2004/3",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが子会社㈱ポテトカンパニーを吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/6",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "株式交換により㈱ツルハを完全子会社化する契約を締結",
      "detail": "持株会社体制への移行を準備",
      "significance": "持株会社制移行の意思決定。グループ経営体制の起点",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/8",
      "category": "組織再編",
      "region": "",
      "importance": 3,
      "event": "㈱ツルハホールディングスに商号変更",
      "detail": "持株会社体制へ移行",
      "significance": "持株会社体制の確立。複数子会社M&Aの受け皿が完成",
      "source": "有価証券報告書"
    },
    {
      "date": "2005/11",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所に上場",
      "detail": "持株会社として新規上場",
      "significance": "持株会社としての資本市場参入",
      "source": "有価証券報告書"
    },
    {
      "date": "2006/8",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "ツルハグループが店舗数500店に到達",
      "detail": "",
      "significance": "持株会社体制1年で500店規模。M&A受け皿効果が顕在化",
      "source": "有価証券報告書",
      "amount": "500店"
    },
    {
      "date": "2006/12",
      "category": "業務提携",
      "region": "",
      "importance": 1,
      "event": "㈱くすりの福太郎（千葉県鎌ヶ谷市）と業務資本提携契約を締結",
      "detail": "完全子会社化への前段階",
      "significance": "首都圏中堅DgSとの資本関係構築",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/5",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "株式交換により㈱くすりの福太郎を完全子会社化",
      "detail": "千葉県地盤の中堅DgSを取得",
      "significance": "首都圏地盤の本格獲得。複数地域連邦型グループ戦略の確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/4",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱ウイング（札幌市北区）を子会社化",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2008/7",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱スパーク（愛知県春日井市）を子会社化",
      "detail": "東海地区進出",
      "significance": "東海地区への足掛かり",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/2",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱ウェルネス湖北（島根県松江市）を子会社化",
      "detail": "中国地方進出",
      "significance": "中国地方への足掛かり",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/7",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱サクラドラッグ（東京都中央区）を子会社化",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/10",
      "category": "業務提携|海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイ国サハグループと業務提携およびタイ駐在事務所開設",
      "detail": "海外展開の調査体制を構築",
      "significance": "海外進出の起点。タイ市場調査と現地パートナー確保",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが㈱サクラドラッグを吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2011/12",
      "category": "合弁設立|海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "タイ国サハグループとの合弁会社Tsuruha（Thailand）Co.,Ltd.を設立",
      "detail": "海外事業の運営主体を設立",
      "significance": "海外展開の運営主体確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/4",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "ツルハグループが店舗数1000店に到達",
      "detail": "",
      "significance": "1000店突破。M&A連邦型成長モデルの結実",
      "source": "有価証券報告書",
      "amount": "1000店"
    },
    {
      "date": "2012/7",
      "category": "海外進出",
      "region": "東南アジア",
      "importance": 2,
      "event": "ツルハグループ海外1号店をタイ・バンコクに出店",
      "detail": "ツルハドラッグゲートウェイ・エカマイ店",
      "significance": "海外1号店オープン。海外展開の実行フェーズ突入",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/8",
      "category": "企業買収",
      "region": "",
      "importance": 1,
      "event": "㈱ウエダ薬局（和歌山県海南市）を子会社化",
      "detail": "関西地区進出",
      "significance": "関西地区への足掛かり",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/11",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが㈱ウエダ薬局を吸収合併",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/12",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "㈱ハーティウォンツ（広島市中区）を子会社化",
      "detail": "中国地方の拠点拡充",
      "significance": "中国地方拠点の中核取得",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/4",
      "category": "業務提携",
      "region": "",
      "importance": 2,
      "event": "㈱フジ・㈱レデイ薬局と資本業務提携を締結",
      "detail": "四国・中国地方への布石",
      "significance": "四国地盤獲得の前段階。GMSフジとの提携",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ハーティウォンツが㈱ウェルネス湖北を吸収合併し㈱ツルハグループドラッグ＆ファーマシー西日本に商号変更",
      "detail": "西日本子会社の統合",
      "significance": "西日本グループの整理",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/10",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "㈱レデイ薬局（愛媛県松山市）を子会社化",
      "detail": "四国地盤の本格獲得",
      "significance": "四国地盤の取得。全国カバレッジに大きく前進",
      "source": "有価証券報告書"
    },
    {
      "date": "2016/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハグループマーチャンダイジングが㈱ウイング・㈱ツルハeコマースを吸収合併",
      "detail": "グループ内機能子会社の統合",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2017/9",
      "category": "企業買収",
      "region": "",
      "importance": 3,
      "event": "㈱杏林堂グループ・ホールディングス（浜松市中央区）を子会社化",
      "detail": "静岡地盤を取得",
      "significance": "静岡地盤の取得。連邦型M&A戦略の代表例",
      "source": "有価証券報告書"
    },
    {
      "date": "2018/5",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "㈱ビー・アンド・ディーホールディングス（愛知県春日井市）を子会社化",
      "detail": "愛知地盤の取得",
      "significance": "東海地盤の拡充",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/3",
      "category": "業務提携",
      "region": "",
      "importance": 1,
      "event": "金秀商事㈱（沖縄県）とのFC契約により沖縄県浦添市にツルハドラッグ宮城店をオープン",
      "detail": "沖縄県進出をFC方式で実現",
      "significance": "FC方式による地域進出。直接M&Aに依らない出店モデル",
      "source": "有価証券報告書"
    },
    {
      "date": "2020/5",
      "category": "企業買収",
      "region": "",
      "importance": 2,
      "event": "JR九州ドラッグイレブン㈱（現㈱ドラッグイレブン）を子会社化",
      "detail": "九州地盤の取得",
      "significance": "九州地盤の本格獲得。全国カバー網がほぼ完成",
      "source": "有価証券報告書"
    },
    {
      "date": "2021/8",
      "category": "ガバナンス改革",
      "region": "",
      "importance": 2,
      "event": "監査等委員会設置会社へ移行",
      "detail": "",
      "significance": "ガバナンス体制の更新",
      "source": "有価証券報告書"
    },
    {
      "date": "2022/4",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所プライム市場に移行",
      "detail": "",
      "significance": "市場区分再編に伴う移行",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/2",
      "category": "業務提携|組織再編",
      "region": "",
      "importance": 3,
      "event": "イオン㈱・ウエルシアホールディングス㈱と資本業務提携契約を締結",
      "detail": "業界1位ウエルシアとの統合に向けた基本合意",
      "significance": "業界再編の最大ディール。ウエルシア・ツルハ統合の起点で1995年来のイオン関係が結実",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/5",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "㈱ツルハが㈱ビー・アンド・ディーを吸収合併",
      "detail": "東海子会社の統合",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2025/4",
      "category": "業務提携|組織再編",
      "region": "",
      "importance": 3,
      "event": "イオン㈱・ウエルシアホールディングス㈱との資本業務提携に係る最終契約を締結",
      "detail": "統合スキームの最終確定",
      "significance": "業界統合の最終契約。日本DgS最大手連合の成立",
      "source": "有価証券報告書"
    }
  ]
}