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
Early history of Nigeria excavations revealed ironworking by the 2nd century BC. The transition from Neolithic times to the Iron Age apparently was achieved without intermediate bronze production. Others suggest the technology moved west from the Nile Valley, although the Iron Age in the Niger River valley and the forest region appears to predate the introduction of metallurgy in the upper savanna by more than 800 years. The earliest identified Nigerian culture is the Nok culture that thrived between 1500 BC and 200 AD on the Jos Plateau in northeastern Nigeria. The Nok people were pioneers in ancient metallurgy, their derivation of advanced metal