The history of Africa is full of tales of movements and exodus of various communities moving from there places of origin to the present habitual homesteads...,taking a glimpse of Tanganyika you find a lot of good tales...is the exodus or trek of The Great Nguni Speaking people ...all the way from South Africa after falling out with King Shaka Zullu..,this war fearless ,warriors ..came way up living traces and influences all the way through Mozambique..,Malawi to LAKE Ruvuma...where we current call them Wangoni.... The Great Bantu speaking people ..who make the most in our community ..originated from congo..across lake Tanganyika ..,with traces of Manyema...,sukuma,Nyamwezi etc....a tribe like Gogo was one of the first habitants of Tanganyika ...,no much have been written but they are regarded as one of the first ...Tribes along Morogoro ...up to coast ..are regarded as traces of The Great Bantu movement ..mostly influenced by Sukuma and Nyamwezi ..especiallly during the first traders treks ..which routes still stand todatee...and mostly during the last 200 years with Slavery ...and blend of Arabs infamous Tipu tip ..inreote Tangayika...to Congo./Tanganyika shores... Northern side of our country has influence coming all the way from Sudan ...those who took River Nile route ...came down and settled along the shores of Lake Victoria..famous Luos ..close related to South sudan Dinkas Pastoral community..who later turned fisherman cum pastoral as for the case of Luo,Kurya etc..depending on the distance they are from the lake or river.. Those who took eastern route ..all the way from sudan,ethiopia..and with this route you have people like Kikuyu,Chaggas ,Kamba,Meru,Kisii,Sambaa,Zigua,Pare...etc those preferred to settle in the fertile land and mountains ...The pastoral community of Maasai etc..... The Rift Valley route leading all the way to mountains of Ethiopia ,eritrea ,and parts of Eqypt..bring on famous IRAQW Community from Eden ...and other pastoral and agricultural community... In this book Chagga ,The People Of Kilimanjaro..a writer Kathleen Stahl ..writes about one of this African Tribes ...The Chagga!!