Flag of Zanzibar yellow cloves was added to the flag. On 12 January 1964, John Okello overthrew the Sultan of Zanzibar and adopted a black-yellow-blue tricolour as the flag of the People's Republic of Zanzibar and Pemba. On 29 January, the country's flag was changed to a blue-black-green tricolour with a thin white stripe at the hoist. This design, which was based on the flag of the Afro-Shirazi Party, was the longest-lived of the post-independence flags and eventually formed the basis for the current flag. On 26 April 1964, Zanzibar united with Tanganyika to form the new country of Tanzania and Zanzibar's old
Wildlife of Zanzibar Island), to the northwest of Stone Town, has coral rag forests. It is home to the giant tortoises called "changuu" in Kishwahili language, from which the island gets its name. The island is approachable by boat from Forodhani, the main port of Zanzibar. In the past, Arab slave traders used this island to keep troublesome slaves of the African mainland for auctioning in Zanzibar’s slave market. Even though it is called a Prison Island, in fact there was no prison at any time but only a yellow fever quarantine camp or slave transit camp existed here. A trail behind this