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
History of Zanzibar Africans died each year before ever reaching the island.) Tippu Tip was the most notorious slaver, under several sultans, and also a trader, plantation owner and governor. Zanzibar's spices attracted ships from as far away as the United States, which established a consulate in 1837. The United Kingdom's early interest in Zanzibar was motivated by both commerce and the determination to end the slave trade. In 1822, the British signed the first of a series of treaties with Sultan Said to curb this trade, but not until 1876 was the sale of slaves finally prohibited. Under strong British pressure, the