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 baobab trees. The island’s coast line is reef-fringed with coral reefs studded with multicoloured fish. The island has a large number of the Zanzibar suni ("Nesotragus moschatus") called 'pa', on the coral rag on the east coast, duiker ("Cepholophus adersi") locally called the 'paanunga' and Newmans tree coney ("dendrohyrax neumanni"). An important bird species is Guinea fowl. Jongowe village on the island has a population concentration as well as a large number of mosque remnants and a group of 40 stone houses, within an area of all traced to the 14th century. Mosque ruins and some stone houses built in