19h 18min, nov 22, 1891 y - #21 The Columbian Exchange
Description:
The Columbian Exchange is also known as the Columbian interchange. It is named after Christopher Columbus. It was the widespread transfer of plants, animals, culture, human populations, technology, and ideas between the Americas, and West Africa, in the 15th and 16th century.
Added to timeline:
U.S. History Timeline, Vieregge, Nathan
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