The Ethiopian–Adal war was a military conflict between the Ethiopian Empire (Abyssinia) and the Adal Sultanate that took place from 1529 until 1543. Abyssinian troops consisted of Maya, Amhara, Tigrayan and Agaw ethnic groups. Adal forces consisted mostly of Afar, Somali, Harla, Argobba, and Arab formations, supported by the Ottomans.