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
Order of the Brilliant Star of Zanzibar the Sultan's monogram in gold on a red background for the second grade. The breast order was an eight pointed star in silver, again featuring the Sultan's portrait for the first grade and a monogram for the second. The ribbon for all medals was red with white edges. I grade II grade Order of the Brilliant Star of Zanzibar The Order of the Brilliant Star of Zanzibar (Wisam al-Kawkab al-Durri al-Zanzibari) is a decoration awarded by the Sultan of Zanzibar for meritorious services and since The Order of Independence was created in 1963 it is reserved for the persons rendering