Horn of Africa Himyarite Kingdom. Under Ezana (fl. 320–360), the kingdom of Aksum became the first major empire to adopt Christianity, and was named by Mani as one of the four great powers of his time, along with Persia, Rome and China. Northern Somalia was an important link in the Horn, connecting the region's commerce with the rest of the ancient world. Somali sailors and merchants were the main suppliers of frankincense, myrrh and spices, all of which were valuable luxuries to the Ancient Egyptians, Phoenicians, Mycenaeans, Babylonians and Romans. The Romans consequently began to refer to the region as "Regio Aromatica". In
Islam in Africa of the northern half of Africa, mainly concentrated in North Africa, the Horn of Africa and the Sahel, as well as West Africa. Islam has been in Africa for so long, since its emergence on the Arabian peninsula, that some scholars have argued that it is a traditional African religion. Although the majority of Muslims in Africa are Sunni or Sufi, the complexity of Islam in Africa is revealed in the various schools of thought, traditions, and voices that constantly contend for dominance in many African countries. Islam in Africa is not static and is constantly being reshaped by prevalent