ocr: The mainland became the German colony of Tanganyilca in 1884. The Sultanate of Lanzibar became a British protectorate in 1890. - . 1918 Tanganyikca British mandate. 1961 Tanganyikca independent. - 1962 Nyerere becomes president. 1963 Lanzibar independent. 1964 Lanzibar signs union with Tanganyikca to form Tanzania. 1977 Une-party state. Mainland and Lanzibari parties form CCM. 1985 Nyerere resigns as president. President Mwinyi, former vice- president, begins relaxation of Nyerere'ssocialist policies. 1990 Nyerere resigns from CCM chair. Mwinyi becomes new chairman. 1992 Political parties allo ...
