 Due to an attack from Nubia about 1100 AD, and for a desire of expansion sultan Ahmed el-Daj relocated his capital to Jebel Marra.He won a battle against the Nubians at Wadi el-Malik and this made him a hero and Emperor for this event the Wadi took his name and his people known, for his fame, the Daju.The Nubians stroke the Daju empire again and this caused the destruction of the city of Semna east of el-Fashir.