ORDER OF BATTLE // November 25, 1899
Battle of Umm Diwaykarat
Estimated force strength by side, with confidence labels per surviving record.
Forces engaged
2 sides catalogued · combined 18,000 estimated
United Kingdom
8,000
Medium-confidence figure
Mahdist State
10,000
Medium-confidence figure
Battle context
The Battle of Umm Diwaykarat on 25 November 1899 marked the final defeat of the Mahdist State in Sudan. Anglo-Egyptian forces under Reginald Wingate engaged the remaining Mahdist armies under Abdallahi ibn Muhammad, the Khalifa, inflicting roughly 1,000 casualties on a force of approximately 10,000. The Mahdist State had already suffered catastrophically at the Battle of Omdurman the previous year, and Umm Diwaykarat extinguished what remained of organized resistance. With the Khalifa's defeat, British and Egyptian authority over Sudan was effectively consolidated, ending nearly two decades of Mahdist rule that had begun with the uprising of 1881. The battle closed the Mahdist War and established the conditions for Anglo-Egyptian condominium governance of Sudan in the years that followed.
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