Egyptian invasion of Harar
The Egyptian invasion of Harar, was part of a conflict in the Horn of Africa between the Emirate of Harar, Sultan of Aussa, and Oromo tribesmen, and the Khedivate of Egypt from 1874 to 1885. In 1874, the Egyptians invaded Eastern Ethiopia, namely Hararghe and parts of the Somali coast, and ruled it for 11 years.
Source: Wikipedia — Egyptian invasion of Harar (CC BY-SA 4.0)