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When did Samuel Pepys keep his diary?

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Samuel Pepys kept his famous diary for nine years, spanning from January 1, 1660, to May 31, 1669.12

He ceased writing the entries in 1669 due to concerns regarding his failing eyesight, which he attributed in part to the strain of maintaining the daily record. His writings provide a detailed account of life during the Restoration period, including significant historical events such as the Great Plague of London and the Great Fire of London.21