History of Sudan association with the single largest political grouping, the [[National Umma Party Sudan|Umma Party]] (once led by a descendant of the Mahdi, [[Sadiq al Mahdi]]). Taking advantage of conditions resulting from Ottoman-Egyptian exploitation and maladministration, the Mahdi led a nationalist revolt culminating in the fall of [[Khartoum]] on 26 January 1885. The interim governor-general of the Sudan, the British Major-General [[Charles George Gordon]], and many of the fifty thousand inhabitants of Khartoum were massacred. The Mahdi died in June 1885. He was followed by [[Abdallahi ibn Muhammad]], known as the [[Caliph|Khalifa]], who began an expansion of Sudan's area into Ethiopia. Following
Khartoum government succeeded in beating back the assault. On 23 October 2012, an explosion at the Yarmouk munitions factory killed two people and injured another person. The Sudanese government has claimed that the explosion was the result of an Israeli airstrike. Khartoum is located in the middle of the populated areas in Sudan, at almost the northeast center of the country between 15 and 16 degrees latitude north, and between 31 and 32 degrees longitude east. Khartoum marks the convergence of the White Nile and the Blue Nile, where they join to form the bottom of the leaning-S shape of the