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
2008 attack on Omdurman and Khartoum 2008 attack on Omdurman and Khartoum In May 2008, the Justice and Equality Movement (JEM), a Darfur ethnic minority rebel group, undertook a raid against the Sudanese government in the cities of Omdurman and Khartoum. From the government's viewpoint, the attack took place on a single day, May 10, 2008, while JEM has countered the government's account with reports of heavy fighting in parts of the Khartoum metropolitan area into May 11. More than 220 people were reported to be killed in the raid, including a Russian pilot, and scores were later sentenced to death. It was the first time