The first mammals appeared during the age of dinosaurs.
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The Code of Justinian influenced European law.
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The Great Emu War of 1932 involved Australian soldiers attempting to control emu populations.
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In 1904, an Olympic marathon included bizarre obstacles and poor organization.
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In 1859, the Carrington Event caused powerful solar storms that disrupted telegraph systems.
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The Tuskegee experiment became a landmark case in medical ethics reform.
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Early humans hunted megafauna during the Ice Age.
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The Ice Age influenced human evolution and migration.
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The Persian Empire built a vast administrative system.
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