Foreign relations of Zanzibar 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 the joint government in Dar
Sultanate of Zanzibar Sultanate of Zanzibar The Sultanate of Zanzibar (, ), also known as the Zanzibar Sultanate, comprised the territories over which the Sultan of Zanzibar was the sovereign. Those territories varied over time, and at one point included all of what is now Kenya as well as the Zanzibar Archipelago of the Swahili Coast. Later, the kingdom's realm included only a ten mile wide coastal strip of Kenya and Zanzibar. Under an agreement concluded on 8 October 1963, the Sultan relinquished sovereignty over his remaining territory in Kenya. On 12 January 1964, Sultan Jamshid bin Abdullah was deposed and lost sovereignty