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https://namu.wiki/history/%EB%82%98%EB%AC%B4%EC%9C%84%ED%82%A4:%EC%9A%B4%EC%98%81%EC%A7%84/%EA%B6%8C%ED%95%9C/4%EA%B8%B0%20%EC%9D%B4%EC%A0%84