History of West Africa more states. Early human settlers arrived in West Africa around 12,000 BCE. In the fifth millennium, as the ancestors of modern West Africans began entering the area, the development of sedentary farming began to take place in West Africa. The Iron industry, in both smelting and forging for tools and weapons, appeared in Sub-Saharan Africa by 1200 BCE, and by 400 BCE, contact had been made with the Mediterranean civilizations, and a regular trade included exporting gold, cotton, metal, and leather in exchange for copper, horses, salt, textiles, and beads. Culture developed further with the Nok culture (1000 BCE to
History of Nigeria that created highly sophisticated work in bronze metalworking, independent of any Arab or European influence and centuries before other sites that were better known at the time of discovery. The earliest known example of a fossil human skeleton found anywhere in West Africa, which is 13,000 years old, was found at Iwo-Eleru in Isarun, western Nigeria and attests to the antiquity of habitation in the region. Microlithic and ceramic industries were also developed by savanna pastoralists from at least the 4th millennium BC and were continued by subsequent agricultural communities. In the south, hunting and gathering gave way to subsistence