Zanzibar is one of the ancient pieces of earth that holds human since last 20,000 years. The island came into focus when it became a base for traders voyaging between the African Great Lakes, the Arabian Peninsula, and the Indian subcontinent.
The Portuguese Empire was the first European power to rule Zanzibar, and ruled over nearly 200 years. In 1698 the island was controlled by Sultanate of Oman. The period developed an economy of trade and cash crops, with a ruling Arab elite and a Bantu general population.
Another major trade of the island was ivory, the elephants were used to kill on the Tanganyika mainland and it still can be spotted on some region. Zanzibar came into the hands of the British Empire in 1890.
The island got its complete freedom December 1963 and led to the Republic of Zanzibar and Pemba.