History of Zanzibar of Tanzania; it is celebrated on 12 January each year. On 26 April 1964, the mainland colony of Tanganyika united with Zanzibar to form the United Republic of Tanganyika and Zanzibar; this lengthy name was compressed into a portmanteau, the United Republic of Tanzania, on 29 October 1964. After unification, local affairs were controlled by President Abeid Amani Karume, while foreign affairs were handled by the United Republic in Dar es Salaam. Zanzibar remains a semi-autonomous region of Tanzania. The autonomous status of Zanzibar is viewed as comparable to Hong Kong as suggested by some scholars, and being recognized as
Sultanate of Zanzibar be sovereign over that territory. The remaining ten-mile wide coastal strip (with the exception of Witu) remained a Protectorate under an agreement with the Sultan of Zanzibar. That coastal strip, remaining under the sovereignty of the Sultan of Zanzibar, was constituted as the Protectorate of Kenya in 1920. The Protectorate of Kenya was governed as part of the Colony of Kenya by virtue of an agreement between the United Kingdom and the Sultan dated 14 December 1895. In summary, the "Colony of Kenya" referred to the interior lands. The "Protectorate of Kenya" was a ten-mile coastal strip together with certain