European exploration of Africa 1840s, so that around the midpoint of the 19th century and the beginning of the colonial Scramble for Africa, the unexplored parts were now limited to what would turn out to be the Congo Basin and the African Great Lakes. This "Heart of Africa" remained one of the last remaining "blank spots" on world maps of the later 19th century (alongside the Arctic, Antarctic and the interior of the Amazon basin). It was left for 19th-century European explorers, including those searching for the famed sources of the Nile, notably John Hanning Speke, Sir Richard Burton, David Livingstone and Henry Morton
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