Anglo-Zanzibar War sovereign state and the start of a period of heavy British influence. Zanzibar was an island country in the Indian Ocean, off the coast of Tanganyika; today it forms part of Tanzania. The main island, Unguja (or Zanzibar Island), had been under the nominal control of the Sultans of Oman since 1698 when they expelled the Portuguese settlers who had claimed it in 1499. Sultan Majid bin Said declared the island independent of Oman in 1858, which was recognised by Great Britain, and split the sultanate from that of Oman. Barghash bin Said, the second sultan and Khalid's father, had
Zanzibar in July. The main island of Zanzibar, Unguja, has a fauna reflecting its connection to the African mainland during the last Ice Age. Endemic mammals with continental relatives include the Zanzibar red colobus ("Procolobus kirkii"), one of Africa's rarest primates, with perhaps only 1,500 existing. Isolated on this island for at least 1,000 years, this colobus is recognized as a distinct species, with different coat patterns, calls, and food habits from related colobus species on the mainland. The Zanzibar red colobus lives in a wide variety of drier areas of coastal thickets and coral rag scrub, as well as mangrove