Foreign relations of Zanzibar es Salaam and later Dodoma. Foreign relations of Zanzibar The foreign relations of Zanzibar refers to the relationships with other nations by the independent Zanzibari government which existed from 1856 to 1964, when the Zanzibar Revolution overthrew the ruling Sultan and unified the country with Tanganyika, forming Tanzania. In 1890, Zanzibar gave up formal control over their foreign relations to the British Empire. In 1906, the United States of America formalized a treaty in which they relinquished any claims to Zanzibar in favor of the British Empire. Following the unification and creation of Tanzania, Zanzibar's foreign relations were handled by
Zanzibar Revolution a long history of Arab rule dating back to 1698, Zanzibar was an overseas territory of Oman until it achieved independence in 1858 under its own Sultanate. In 1890 during Ali ibn Sa'id's reign, Zanzibar became a British protectorate, and although never formally under direct rule was considered part of the British Empire. By 1964, the country was a constitutional monarchy ruled by Sultan Jamshid bin Abdullah. Zanzibar had a population of around 230,000 Africans—some of whom claimed Persian ancestry and were known locally as Shirazis—and also contained significant minorities in the 50,000 Arabs and 20,000 South Asians who were