Conflicts in the Horn of Africa

Conflicts in the Horn of Africa have been occurring since the 17th century BCE. The Horn of Africa includes the nations of Djibouti, Eritrea, Ethiopia, and Somalia.

Ancient

 * Invasion of Ancient Egypt by the Kingdom of Kush and the Land of Punt (17th century BC).

Medieval and Early Modern

 * Ifat's conquest of Makhzumi (c. 1285)
 * Conquests of Emperor Amda Seyon I (1314–1344)
 * Battle of Gomit (1445) between the Ethiopian Empire and the Adal Sultanate


 * Somali–Portuguese conflicts (1505–1543)
 * Ethiopian–Adal War (1529–1559)
 * Ottoman–Portuguese conflicts (1538–1560)
 * Ottoman conquest of Habesh (1554/1557–1589)


 * Ottoman–Portuguese conflicts (1586–1589)
 * Gobroon–Bardera War (late 18th century)
 * British expedition to Abyssinia (1867–1868)
 * Egyptian–Ethiopian War (1874–1876)
 * Egyptian invasion of the Eastern Horn of Africa (1874–1885)


 * Menelik's Invasions (1878–1904)
 * Mahdist War (1881–1899)
 * Italo-Ethiopian War of 1887–1889 between the Italy and the Ethiopia
 * Banadir resistance (1888–1924) between Italy and Somali rebels
 * First Italo-Ethiopian War (1895–1896) between the Italy and the Ethiopia

Early 20th century

 * Somaliland campaign (1899–1920) against the United Kingdom, Italy, Ethiopia, and other Somalis
 * Battle of Segale (1916) in Ethiopia
 * 1922 Burao tax revolt (1922) between Habar Yoonis tribesmen and the United Kingdom
 * Abyssinia Crisis (1935) between Ethiopia and Italy
 * Second Italo-Ethiopian War (1935–1936) between the Kingdom of Italy and the Ethiopian Empire
 * World War II
 * East African campaign (1940–1941) of Italy against the United Kingdom, the Commonwealth of Nations, Belgium and Ethiopia
 * Italian guerrilla war in Ethiopia (1941–1943)
 * 1945 Sheikh Bashir rebellion (1945) between Habr Je'lo tribesmen and the United Kingdom

Cold War

 * Eritrean War of Independence (1961–1991), between Eritrean liberation fronts (primarily the EPLF and early on also the ELF) and the Ethiopian Empire (1961–1974) and Marxist Derg-ruled Ethiopia (1974–1991)
 * 1961 revolt in Somalia
 * Somali–Kenyan conflict (from 1963)
 * Shifta War (1963–1967), separatist insurgency by ethnic Somalis in Kenya
 * Eritrean Civil Wars (1972–1974;1980–1981) between the EPLF and ELF
 * Ethiopian Civil War (1974–1991), between the Derg and various rebel groups; included the Red Terror
 * Oromo conflict (from 1973)
 * Ogaden War (1977–1978) between Ethiopia and Somalia
 * Somaliland War of Independence (1981-1991), between the Somali National Movement and Somalia
 * Ethiopian–Somali Border War (1982)

Post-Cold War

 * Somali Civil War (1991–present)
 * War in Somalia (2006–2009)
 * Somali Civil War (2009–present)
 * Djiboutian Civil War (1991–1994)
 * Hanish Islands conflict (1995) between Yemen and Eritrea
 * Second Afar insurgency (1995–2018)
 * Insurgency in Ogaden (1995–2018)
 * 2007–2008 Ethiopian crackdown in Ogaden
 * Eritrean–Ethiopian War (1998–2000)
 * Puntland-Somaliland dispute (1998–present)
 * Djiboutian–Eritrean border conflict (2008)
 * Gedeo– Guji clashes (1995–2018)
 * Oromia–Somali clashes (2016–2018)
 * Ethiopian civil conflict (2018–present)
 * Oromo conflict (1973–present)
 * OLA insurgency (2018–present)
 * Tigray War (2020–2022)
 * Benishangul-Gumuz conflict (2019–2022)
 * Afar–Somali clashes (2020–present)
 * War in Amhara (2023–present)
 * Al-Fashaga conflict (2020–2022)
 * Al-Shabaab invasion of Ethiopia (2022)