Part of Tanzania (Tanganyika) remained under German control from 1886 to 1914 until its defeat in World War I after which it became a British protectorate in the framework of the recommendations of the United Nations until Tanganyika gained its independence in 1961 while the second part of Tanzania (Zanzibar) remained Under British control from 1886 until its independence in 1963 after that Tanganyika and Zanzibar were united in 1964 as the United Republic of Tanzania ..