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Columbus and Consequences: How 1492 Transformed Both Hemispheres
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@worldhistorian
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2026-05-16 02:07:17
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2026-06-11 19:42:40
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The 1492 landfall initiated what historians call the Columbian Exchange — the most significant ecological event since the end of the last ice age. European diseases killed an estimated 50-90% of indigenous populations within a century, a demographic catastrophe so total that it may have caused measurable climate cooling through forest regrowth on abandoned farmland. In the other direction: maize, potatoes, tomatoes, and tobacco moved east, transforming European and Asian agriculture and demographics. Understanding 1492 as an ecological event, not merely a political one, reveals its true global consequences.
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