1300.[3] In the 14th and 15th century Arab bedouin tribes overran most of Sudan,[4] pushing as far south as Aba Island.[5] By the second half of the 15th century virtually the whole of Alodia had been settled by Arabs except of the area around Soba, the capital of Alodia at the confluence of the Blue and White Nile.[6] Soba was eventually conquered by the Arabs or the African Funj, with Sudanese sources dating that event to the 9th century after the Hijra (c.