including the Somali region (Ogaden) under Ethiopian control. This territorial dispute escalated in 1964 with border skirmishes and culminated in the Ogaden War of 1977–1978. Under President Siad ...

Yihun, Belete Belachew (2014) Ethiopian Foreign Policy and the Ogaden War: The Shift from ‘Containment’ to ‘Destabilization,’ 1977–1991, Journal of Eastern African Studies 8 (4): 677–691.

Somalia threatened to expel Ethiopian troops that are in the country to fight al-Shabab terrorists, and some feared the conflict could escalate into an echo of the devastating 1977-78 Ogaden War.