The Inca Empire had no written language but used a system of knotted strings called quipu to record information.
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The 1883 eruption of Krakatoa created global atmospheric effects.
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The Black Death significantly reduced Europe’s population in the 14th century.
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In 1925, a courtroom trial debated the teaching of evolution in schools.
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In 1859, the Carrington Event caused powerful solar storms that disrupted telegraph systems.
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In 1692, the Salem witch trials led to the execution of several individuals in Massachusetts.
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The ancient Egyptians developed a 365-day calendar.
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Prehistoric sharks existed long before dinosaurs.
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Ancient Egyptians developed hieroglyphic writing.
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