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
History of Tanzania become Tanzania. A part of the Great Lakes region, namely the western shore of Lake Victoria consisted of many small kingdoms, most notably Karagwe and Buzinza, which were dominated by their more powerful neighbors Rwanda, Burundi, and Buganda. European exploration of the interior began in the mid-19th century. In 1848 the German missionary Johannes Rebmann became the first European to see Mount Kilimanjaro. British explorers Richard Burton and John Speke crossed the interior to Lake Tanganyika in June 1857. In January 1866, the Scottish explorer and missionary David Livingstone, who crusaded against the slave trade, went to Zanzibar, from where