History of Africa Other significant European explorers included Heinrich Barth, Henry Morton Stanley (coiner of the term "Dark Continent" for Africa in an 1878 book), Silva Porto, Alexandre de Serpa Pinto, Rene Caille, Friedrich Gerhard Rohlfs, Gustav Nachtigal, George Schweinfurth, and Joseph Thomson. The most famous of the explorers was David Livingstone, who explored southern Africa and traversed the continent from the Atlantic at Luanda to the Indian Ocean at Quelimane. European explorers made use of African guides and servants, and established long-distance trading routes were used. Missionaries attempting to spread Christianity also increased European knowledge of Africa. Between 1884 and 1885, European
Dennis the Menace and Gnasher from the early 1970s and has been replaced, although the character was absent for most of the intervening period, in the 2009 TV Series by another Teacher named Mrs Creecher. Nasty Norman was a bully often seen as Dennis's rival. Stanley Livingstone an explorer with a pet crocodile, who lived next door to Dennis. Seemingly replaced by the Colonel, though the character had disappeared a while before the Colonel first appeared. His name alludes to the explorers David Livingstone and H.M. Stanley. BBC News once called Dennis the 'definitive naughty boy'. Matthew Jarron of Dundee University, curator of a Beano