The world's first programmable computer, Colossus, was built in 1943 to break Nazi codes during World War II.
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The Triassic period followed the Permian extinction.
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In 1922, King Tutankhamun's tomb was discovered largely intact.
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The Tuskegee experiment became a landmark case in medical ethics reform.
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The Permian extinction eliminated most marine species.
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In 1859, the Carrington Event caused powerful solar storms that disrupted telegraph systems.
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The first Winter Olympics were held in 1924.
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The Cretaceous period ended with a mass extinction event.
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The Renaissance saw advances in art, science, and philosophy.
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