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Lamarck advocated a theory of evolution which included the idea that traits could be acquired and then passed along to offspring.
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After graduating college, Darwin has the opportunity to board the HMS Beagle as the ship's naturalist. After nearly being rejected by the ship's captain, he succeeds in his goal.
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Haeckel was an influential zoologist whose work on evolution served to inspire some of the racist theories of the Nazis.
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The HMS Beagle, with Charles Darwin aboard, finally reaches Galapagos Islands.
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After his trip to the Galapagos, Darwin returns to England with his new knowledge.
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Charles Darwin received a monograph from Alfred Russel Wallace which essentially summarized Darwin's own theories on evolution, thus inspiring him to publish his work sooner than he planned.
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Darwin publishes his book and reports his findings to the public in the form of his book. The book was a success and all 1,250 copies were sold on the first day.
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Thomas Henry Huxley and Bishop Samuel Wilberforce of the Church of England engaged in their famous debate on Darwin's theory of evolution.
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Darwin dies and is buried in Westminster Abbey, his legacy leaves in impact his as one of the main figures behind evolutionary theory.
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After a Tennessee governor banned the teaching of evolution theory in public schools and John Scopes violated such laws, the infamous Scopes Monkey trial began in Dayton, Tennessee.
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The Pope issued the encyclical Humani Generis, condemning ideologies which threatened Roman Catholic faith but allowing that evolution did not necessarily conflict with Christianity.
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The Supreme Court found that Arkansas' law prohibiting the teaching of evolution was unconstitutional because the motivation was based on a literal reading of Genesis, not science.
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A federal judge found that Arkansas' "balanced treatment" law mandating equal treatment of creation science with evolution was unconstitutional.
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In a 7-2 decision, the Supreme Court invalidated Louisiana's "Creationism Act" because it violated the Establishment Clause.
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Seventh Circuit Court of Appeals ruled that school boards have the right to prohibit teaching creationism because such lessons would constitute religious advocacy.