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  "license": "© 2026 Yutaka Sugiura. All rights reserved.",
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      "date": "1930/12",
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      "event": "第一合同銀行と山陽銀行が合併し中國銀行が発足（本店岡山市）",
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      "event": "中銀保証を設立",
      "source": "有価証券報告書"
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      "date": "1981/5",
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      "event": "中銀ビジネスサービス（現CBS）を設立",
      "source": "有価証券報告書"
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      "event": "中銀リースを設立",
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    {
      "date": "1985/10",
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      "event": "大阪証券取引所市場第二部および広島証券取引所に株式上場",
      "source": "有価証券報告書"
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      "date": "1987/2",
      "importance": 1,
      "event": "中銀カードを設立",
      "source": "有価証券報告書"
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    {
      "date": "1987/9",
      "importance": 1,
      "event": "大阪証券取引所市場第一部に指定替え",
      "source": "有価証券報告書"
    },
    {
      "date": "1987/11",
      "importance": 1,
      "event": "中銀投資顧問（現中銀アセットマネジメント）を設立",
      "source": "有価証券報告書"
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    {
      "date": "1987/12",
      "importance": 3,
      "event": "東京証券取引所市場第一部に株式上場",
      "source": "有価証券報告書"
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    {
      "date": "1990/10",
      "importance": 2,
      "event": "商号を中国銀行に変更しCIを導入",
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      "event": "おかやまキャピタルマネジメントを設立",
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      "event": "せとのわを設立",
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      "event": "東京証券取引所プライム市場に移行",
      "source": "有価証券報告書"
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      "event": "ちゅうぎんキャピタルパートナーズを設立",
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      "event": "ちゅうぎんヒューマンイノベーションズを設立",
      "source": "有価証券報告書"
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      "date": "2022/9",
      "importance": 1,
      "event": "Cキューブ・コンサルティングを設立",
      "source": "有価証券報告書"
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    {
      "date": "2022/10",
      "importance": 3,
      "event": "中国銀行の単独株式移転によりちゅうぎんフィナンシャルグループを設立",
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      "date": "2024/10",
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}