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  Charles Darwin is born to Susannah and Robert Darwin in Shrewsbury, England.
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  Darwin publishes Journals and Remarks, volume three of Darwin's Narrative of the Voyage.
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  Darwin publishes the Structure and Distribution of Coral Reefs
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  Darwin Publishes Volcanic Islands
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  Darwin completes the Beagles Voyages: Geological Observations on South America.
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  Darwin publishes two volumes of Stalked Barnacles
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  Darwin does experiments to prove that new species of organic life may be influenced by the transference of sends plants and animals to islands.
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  The first edition of On the Origin of Species is published.
https://en.wikisource.org/wiki/On_the_Origin_of_Species_(1859) - 
  
  Darwin publishes details about the domestication of plants and animals, the book also includes the theory of heredity.
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  The Descent of Man of published
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  The Expression of the Emotions in Man and Animals is published
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  Charles Darwin first suffered a heart attack on Christmas day 1881. He the suffered from months of seizures.
https://youtu.be/HmEmWA2SlVc?si=8e7YKoP9ys1zU23S