1899 Death Abdullah ibn Mohammed al-Ta'a'ishi, mahdi of Sudan (1883-99), dies 1898 Event Lord Kitchener destroys Mahdi's tomb in Omdurman 1889 Event Battle at Gallabat (Metema): Mahdi's beat Abyssinian emperor John IV 1885 Death Mahdi, Muhammad Ahmed, Sudanese music reviewer, dies 1885 Event Muhammad Ahmed ("Mahdi") rebels conquer Khartoum 1884 Event General Gordon receives letter of Mahdi 1883 Event Battle at El Obeid Sudan: Mahdi's army destroys Egyptian army 1881 Event Muhammad Ahmad becomes Mahdi of Sudan
