{
  "timeline": [
    {
      "date": "1918/9",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "前身・田園都市㈱を設立",
      "detail": "渋沢栄一・中野武営らが理想的住宅地開発を主唱し設立。21年に五島慶太が経営中枢に参画",
      "significance": "東急不動産の母体。日本における民間計画的住宅地開発の起点となった",
      "source": ""
    },
    {
      "date": "1953/12",
      "category": "会社設立",
      "region": "",
      "importance": 3,
      "event": "東急不動産㈱設立",
      "detail": "東京急行電鉄から不動産販売業等を譲受。会長五島慶太・社長五島昇",
      "significance": "沿線型私鉄ディベロッパーを純粋形で具現化。多摩田園都市構想の担い手として独立",
      "source": "有価証券報告書",
      "amount": "資本金3億円"
    },
    {
      "date": "1955/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "不動産賃貸業に進出",
      "detail": "代官山東急アパート竣工（外人向け高級アパート）",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1956/4",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "東京証券取引所市場第二部に上場",
      "detail": "",
      "significance": "設立3年で上場し資金調達基盤を獲得",
      "source": "有価証券報告書"
    },
    {
      "date": "1961/6",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "提携住宅ローンを発表",
      "detail": "わが国初の提携住宅ローン",
      "significance": "住宅金融の民間化に先鞭をつけた業界初の取り組み",
      "source": ""
    },
    {
      "date": "1961/10",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東京証券取引所市場第一部に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1962/4",
      "category": "",
      "region": "",
      "importance": 3,
      "event": "津田山ニュータウン分譲開始",
      "detail": "田園都市㈱の思想を継承した郊外型大規模住宅地",
      "significance": "「ニュータウン」概念の形成起点となり戦後郊外開発のモデルとなった",
      "source": ""
    },
    {
      "date": "1966/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "注文住宅「東急ホーム」を商品化",
      "detail": "",
      "significance": "",
      "source": ""
    },
    {
      "date": "1967/4",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "中高層住宅「東急ドエル」販売開始",
      "detail": "",
      "significance": "",
      "source": ""
    },
    {
      "date": "1969/9",
      "category": "設備投資",
      "region": "",
      "importance": 1,
      "event": "赤坂東急ビル竣工",
      "detail": "再開発複合商業ビルに進出",
      "significance": "",
      "source": ""
    },
    {
      "date": "1970/4",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "㈱東急コミュニティーを設立",
      "detail": "ビル・マンション管理業務受託の専業会社",
      "significance": "管理事業を独立子会社化し総合不動産グループの基盤形成",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/8",
      "category": "組織再編",
      "region": "",
      "importance": 1,
      "event": "大阪支店開設（現関西支店）",
      "detail": "全国展開の起点",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1970/10",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "大阪証券取引所市場第一部に株式上場",
      "detail": "2007年11月上場廃止",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1972/3",
      "category": "親子上場",
      "region": "",
      "importance": 2,
      "event": "㈱エリアサービス（現東急リバブル㈱）を設立",
      "detail": "不動産仲介業の専業会社",
      "significance": "仲介事業を独立子会社化、後の東急リバブル上場へつながる",
      "source": "有価証券報告書"
    },
    {
      "date": "1975/11",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ゴルフ事業に進出",
      "detail": "札幌東急ゴルフクラブ開業",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1976/8",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "㈱東急ハンズを設立",
      "detail": "住関連・DIY用品販売",
      "significance": "余暇時代を見据えた業態多角化の象徴。後年独立成長",
      "source": ""
    },
    {
      "date": "1978/3",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東急リゾート㈱を設立",
      "detail": "別荘販売",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1982/12",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "スキー事業に進出",
      "detail": "蓼科東急スキー場開業",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1984/12",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "パラオにリゾートホテル開業",
      "detail": "海外高級リゾート進出",
      "significance": "余暇増加を見据えた海外リゾート事業の試金石",
      "source": ""
    },
    {
      "date": "1986/9",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "土気あすみが丘の供給開始",
      "detail": "千葉県の大規模プロジェクト",
      "significance": "バブル期の大規模住宅地供給の代表事例",
      "source": "有価証券報告書"
    },
    {
      "date": "1988/6",
      "category": "",
      "region": "",
      "importance": 2,
      "event": "会員制リゾートホテル事業に進出",
      "detail": "東急ハーヴェストクラブ蓼科開業。1室10口の利用権販売モデル",
      "significance": "会員制リゾートの新業態を確立し全国展開の起点となった",
      "source": "有価証券報告書"
    },
    {
      "date": "1990/4",
      "category": "組織再編",
      "region": "",
      "importance": 2,
      "event": "営業部門を東急リバブルに全面移管",
      "detail": "企画・開発専業体制への移行を完了",
      "significance": "グループ内機能分担を明確化、HD体制への伏線",
      "source": ""
    },
    {
      "date": "1998/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "都市型ホテル事業に進出",
      "detail": "東急ステイ蒲田開業",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1998/11",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "㈱東急コミュニティー　東証二部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "1999/12",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東急リバブル㈱　東証二部に上場",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2000/3",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "㈱東急コミュニティー　東証一部に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2001/3",
      "category": "株式上場",
      "region": "",
      "importance": 1,
      "event": "東急リバブル㈱　東証一部に指定",
      "detail": "",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2007/2",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東急不動産キャピタル・マネジメント㈱設立",
      "detail": "不動産ファンド運用",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/1",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "東急不動産ＳＣマネジメント㈱設立",
      "detail": "商業施設運営",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2009/10",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ＴＬＣリアルティマネジメント㈱設立",
      "detail": "賃貸住宅REITの資産運用（現東急不動産リート・マネジメント㈱）",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2010/11",
      "category": "",
      "region": "",
      "importance": 1,
      "event": "ＴＬＣタウンシップ㈱設立",
      "detail": "商業・オフィスREITの資産運用",
      "significance": "",
      "source": "有価証券報告書"
    },
    {
      "date": "2012/6",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "アクティビア・プロパティーズ投資法人　東証上場",
      "detail": "商業・オフィス系REIT",
      "significance": "グループのアセットマネジメント事業を本格化",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/2",
      "category": "株式上場",
      "region": "",
      "importance": 2,
      "event": "コンフォリア・レジデンシャル投資法人　東証上場",
      "detail": "賃貸住宅系REIT",
      "significance": "住宅REITで運用残高の二本柱を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2013/9",
      "category": "組織再編",
      "region": "",
      "importance": 4,
      "event": "東急不動産ホールディングス㈱を設立",
      "detail": "東急不動産・東急コミュニティー・東急リバブルの3社が一部上場廃止しHD傘下に入る",
      "significance": "グループ統合経営へ移行、総合不動産HDとしての新体制を確立",
      "source": "有価証券報告書"
    },
    {
      "date": "2014/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "初代社長に金指潔が就任",
      "detail": "持株会社移行後の初代社長",
      "significance": "持株会社体制を立ち上げ、グループ統合経営の基盤を構築",
      "source": "有価証券報告書"
    },
    {
      "date": "2015/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "大隈郁仁が社長に就任",
      "detail": "2代目社長",
      "significance": "都市再開発を主軸とする経営方針へ転換",
      "source": "有価証券報告書"
    },
    {
      "date": "2019/6",
      "category": "社長交代",
      "region": "",
      "importance": 2,
      "event": "西川弘典が社長に就任",
      "detail": "3代目社長",
      "significance": "環境経営とDX、再エネ・渋谷再開発を成長軸に据える",
      "source": "有価証券報告書"
    },
    {
      "date": "2024/4",
      "category": "経営計画",
      "region": "",
      "importance": 3,
      "event": "営業利益2031年3月期1500億円目標を表明",
      "detail": "FY23決算説明会で長期目標を「次期中計の射程内」と提示。Shibuya Sakura Stage等の他人資本活用モデルを推進",
      "significance": "長期成長フェーズへの移行宣言、BS拡大型から効率重視型へ転換",
      "source": "IR",
      "amount": "営業利益目標1500億円"
    }
  ]
}