"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)
Dec 6, 1520
Philippus Paracelsus: "...They are descended from another Adam."
Irish Potato Famine
Darwin & Wallace present Theory of Evolution to Linnaean Society