c. 530 B.C.
c.
c. 530 B.C.: Horizon I on the island of Martinique yielded some of the earliest radiocarbon dates for the Cedrosan Saladoid subseries in the West Indies. This arrival marked the beginning of a significant demographic shift as agriculturalists began to displace smaller Archaic-age bands.
Source · p. 77
Rouse, The Tainos, 77