jan 1, 1492 - The Columbian Exchange

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The​ ​widespread​ ​transfer​ ​of​ ​animals,​ ​plants,​ ​culture, human​ ​populations,​ ​technology,​ ​disease​ ​and​ ​ideas between​ ​the​ ​American​ ​and​ ​the​ ​Afro-Eurasian hemispheres​ ​transformed​ ​life​ ​in​ ​Europe,​ ​the​ ​Americas and​ ​Africa.

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