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Hutton proposes his theory of gradualism.
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Malthus publishes "Essay on the Principle of Population"
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Lamarck publishes his theory of evolution
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Lyell publishes Priciples of Geology
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Darwin travels around the world on the HMS Beagle
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Darwin travels around the world on the HMS Beagle
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Darwin travels around the world on the HMS Beagle
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Darwin travels around the world on the HMS Beagle
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Darwin travels around the world on the HMS Beagle
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Darwin travels around the world on the HMS Beagle
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Darwin begins his notebooks on the origin of species
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Darwin writes his essay on the origin of species
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Wallace sends his theory to Darwin
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The Origin of Species is published
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Mendel publishes inheritance papers