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
British West Africa British West Africa British West Africa was the collective name for British colonies in West Africa during the colonial period, either in the general geographical sense or the formal colonial administrative entity. The United Kingdom held varying parts of these territories or the whole throughout the 19th century. From west to east, the colonies became the independent countries of The Gambia, Sierra Leone, Ghana and Nigeria. Until independence, Ghana was referred to as Gold Coast. British West Africa, or the British West African Settlements, constituted during two periods (17 October 1821, until its first dissolution on 13 January 1850, and