After the 1970s, Britain replaced Egypt's position in the Sudan. The American colonialists and the feudal aristocrats and tribal chiefs of the Sudan coalition, brutally exploiting and oppressing the people of the Sudan, provoked strong resistance by the people of the Sudan, and the people continued to revolt.by Muhammad Ahmed(About 1840-1885) by propagating Islam, condemning the rich, officials and foreign invaders, revolutionary propaganda. In 1881, he used Islamic claim that Mahdi (the Savior) will establish the kingdom of heaven in mankind, officially calling himself the ¡°Mahdi expected¡±, annihilating the government army of 126, announcing the Mahdi rebellion begins. The Mahdi rebels joined the battle, the British army and the Sudanese reactionary government army defeat back. In order to save the defeat, the British government employed the old colonialists who had suppressed the Chinese revolution in the Pacific.by GordonOn December 22, 1884, the rebels completed the siege of Khartoum, and on January 26, 1885, the Mahdi led the army to attack Khartoum and kill Gordon. The British troops were forced to withdraw from the Sudan. The Mahdi (i.e., the "Savior") kingdom was established, and Doen Thuman was established. In June of the same year, Mahdi died of disease.