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
Zanzibar ancestral land for which they probably do not have a legal deed. In 1984, fewer than 20,000 tourists visited Zanzibar. Five times more visitors travelled to the island in 2000. The events of September 11, 2001 reduced the inflow of tourists, which was restored only after 2004. Zanzibar has at least 6,200 beds across 6 classes of accommodation. However, there is a disproportionately large number in ungraded, one and two star categories. The energy sector in Zanzibar consists of unreliable electric power, petroleum and petroleum products; it is also supplemented by firewood and its related products. Coal and gas are