In 1881 Mahommed Ahmed ibn Seyyid Abdullah, a Dongolese, proclaimed himself al-mandi and founded in the eastern Sudan the short-lived empire overthrown by an AngloEgyptian force at the battle of Omdurman in 1898.
Camp was formed at Omdurman and a new force of some 8000 fighting men collected - mostly recruited from the fellahin of Arabi's disbanded troops, sent in chains from Egypt.
OMDURMAN, a town of the Anglo-Egyptian Sudan, on the west bank of the Nile, immediately north of the junction of the White and Blue Niles in 15° 38' N., 32° 29' E., 2 m.
Omdurman is the headquarters of the native traders in the Anglo-Egyptian Sudan, the chief articles of commerce being ivory, ostrich feathers and gum arabic from Darfur and Kordofan.
Omdurman, then an insignificant village, was chosen in 1884 by the Mandi Mahommed Ahmed as his capital and so continued after the fall of Khartum in January 1885.