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12 Feb 1809
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Birth of Charles Darwin
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27 Dec 1831
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HMS Beagle sets sail from Plymouth, England
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Dec 1832
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At Terra del Fuego, Darwin observes the natives
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15 Sep 1835
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Charles Darwin collects specimens in the Galapagos Islands
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2 Oct 1836
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HMS Beagle returns to England
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1837
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Darwin formulates theory of evolution
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Sep 1838
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Darwin reads the Essay on the Principle of Population by Thomas Malthus
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1842
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Charles Darwin drafts theory of natural selection
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1844
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Darwin requests posthumous publication of Origin of Species
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1846
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Charles Darwin studies barnacles
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Apr 1856
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Darwin begins work on The Origin of Species
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1857
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Darwin modifies theory of natural selection to apply to families, not individuals
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1 Jul 1858
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First public presentation on natural selection
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1859
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Publication of On the Origin of Species by Charles Darwin
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1871
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Publication of The Descent of Man by Charles Darwin