Mezue nkebi ahịrịokwu a: Malite n'afọ 1884, ụlọ ọrụ ndị Jamanị nke Ebe Ọwụwa Anyanwụ Afrịka nọ na-arụsi ọrụ ike n'ógbè Oké Osimiri Africa. N'ihi ọgba aghara na esemokwu ókèala dị n'etiti ụlọ ọrụ German East Africa Company, Alaeze Ukwu Britain na Sultanate nke Zanzibar, a kpọrọ Alaeze Ukwu German ka ọ kwụsị ọrụ ahụ.
Abushiri na-enupụ isi ma na-echebe ọdịmma nke alaeze ukwu na mpaghara ahụ. Ụlọ ọrụ German East Africa Company nyefere ikike ya na Alaeze Ukwu German na 1891, n'ụzọ dị otú a na-eguzobe ógbè German nke German East Africa, nke gụnyere Burundi (Urundi), Rwanda (Ruanda), na akụkụ nke Tanzania (nke a na-akpọbu Tanganyika). Ndi German Empire tinyere ndi agha ha na Rwanda na Burundi n'oge ngwụcha afọ 1880. Ebe obodo Gitega dị ugbu a bụ ebe nchịkwa nke mpaghara Ruanda-Urundi.