The Columbian Exchange: Biological and Cultural Consequences

Columbus lands in the Bahamas

Oct 12, 1492

"The connection between the Old and New Worlds, which for more than ten millennia had been no more than a tenuous thing of Viking voyages, drifting fishermen, and shadowy contacts via Polynesia, became on the twelfth day of October 1492..." (p. 662)

Philippus Paracelsus: "...They are descended from another Adam."

Dec 6, 1520

Irish Potato Famine

Dec 6, 1840

Darwin & Wallace present Theory of Evolution to Linnaean Society

Dec 6, 1858

"Origin of Species" published

Dec 6, 1859

American frontier declared closed

Dec 6, 1893

Frontier Thesis (Turner)