Abdallahi ibn Muhammad
The River War: An Historical Account of the Reconquest of the Soudan (1899), by Winston Churchill. It is a history of the conquest of the Sudan between 1896 and 1899 by Anglo-Egyptian forces led by Lord Kitchener. He defeated the Sudanese Dervish forces, led by Khalifa Abdallahi ibn Muhammad, heir to the self-proclaimed Mahdi Muhammad Ahmad who had vowed to conquer Egypt and drive out the Ottomans. The first, two volume, edition includes accounts of Churchill's own experiences as a British Army officer during the war, and his views on its conduct.