Ka cika wannan jumla: Da sanya hannu a kan Yarjejeniyar Heligoland-Zanzibar tsakanin United Kingdom da Daular Jamus a 1890, Zanzibar kanta ta zama mulkin mallaka na Burtaniya. A watan Agusta 1896, bayan mutuwar Sultan Hamad bin Thuwaini, Birtaniya da Zanzibar sun yi yaƙi da
Yaƙin na minti 38, yaƙi mafi ƙanƙanta a tarihi. An yi gwagwarmaya don maye gurbin yayin da dan uwan Sultan Khalid bin Barghash ya kwace mulki. A maimakon haka, 'yan Burtaniya sun so Hamoud bin Mohammed ya zama Sultan, suna gaskanta cewa zai fi sauƙi a yi aiki tare. 'Yan Birtaniya sun ba Khalid sa'a daya ya bar fadar Sarkin a Stone Town. Khalid ya kasa yin hakan, kuma a maimakon haka ya tara sojoji 2,800 don yaƙi da Birtaniyya. 'Yan Burtaniya sun kai hari kan fadar da sauran wurare a kusa da birnin bayan da Khalid ya ja da baya kuma daga baya ya yi gudun hijira. Daga nan sai aka nada Hamoud a zaman lafiya a matsayin Sultan.