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
History of Zanzibar the island were either slaves taken from East Africa or the descendants of slaves from East Africa. The slaves were brought to Zanzibar in dhows, where many as possible were packed in with no regard for comfort or safety. Many did not survive the journey to Zanzibar. Upon reaching Zanzibar, the slaves were stripped completely naked, cleaned, had their bodies covered with coconut oil, and forced to wear gold and silver bracelets bearing the name of the slave trader. At that point, the slaves were forced to march nude in a line down the streets of Stone Town guarded by