sa'id ruled for only nine years, and his nephew isma'il, another grandson of muhammad ali, became wali. in 1866 the polity occupied the emirate of harar. in 1867, the ottoman sultan acknowledged isma'il's use of the title khedive. in 1874, ismail pasha ordered the deputation of warships to capture tadjoura whereafter for ten years, the somali coast khedivate was established.