Flag of Zanzibar flag fell out of use. Flag of Zanzibar The flag of Zanzibar was adopted on 9 January 2005. It is a horizontal tricolour of blue, black, and green with the national flag of Tanzania in the canton. Zanzibar was a part of the Sultanate of Muscat and Oman, which flew a plain red flag, beginning in 1698. Majid bin Said declared an independent Sultanate of Zanzibar on 2 November 1856 but did not adopt a new flag. The red flag remained in use during the British protectorate period. When Zanzibar gained independence from the United Kingdom on 10 December 1963,
Sultanate of Zanzibar island. After his death in 1856, two of his sons, Majid bin Said and Thuwaini bin Said, struggled over the succession, so Zanzibar and Oman were divided into two separate realms. Thuwaini became the Sultan of Muscat and Oman while Majid became the first Sultan of Zanzibar, but obliged to pay an annual tribute to the Omani court in Muscat. During his 14-year reign as Sultan, Majid consolidated his power around the local slave trade. His successor, Barghash bin Said, helped abolish the slave trade in Zanzibar and largely developed the country's infrastructure. The third Sultan, Khalifa bin Said, also