Ancient land of Punt (2500 BC) Ancient Barbara/Barbaroi cities and states mentioned in the Periplus of the Erythraean Sea (1st century). Opone/Xāfūn (1000 BC – 5th century AD) Mundus/Xīs Mosylon/Bōsāso Malao/Berbera Nikon/Būr Gābo Sarapion/Muqdisho Kingdom of Aksum (1st century – 9th century) Kingdom of Bazin (9th century) Kingdom of Belgin (9th century) Kingdom of Jarin (9th century) Kingdom of Qita'a (9th century) Kingdom of Nagash (9th century) Kingdom of Tankish (9th century) Sultanate of Mogadishu (10th century – 16th century) Ethiopian Empire (1137–1974) Zagwe dynasty (1137–1270) Solomonic dynasty (1270–1974) Sultanate of Ifat (1285–1415) Warsangali Sultanate (1298–1960) Ajuran Sultanate (1300s–1700s) Adal Sultanate (1415–1555) Sultanate of Harar (1526–1577) Emirate of Harar (1647–1887) Sultanate of the Geledi (late 17th century – late 19th century) Majeerteen Sultanate (mid-18th century – early 20th century) Sultanate of Aussa (1734–present) Kingdom of Gomma (early 1800s–1886) Kingdom of Jimma (1830–1932) Kingdom of Gumma (1840–1902) Sultanate of Hobyo (1880s–1920s) Dervish state (1896–1920)