Anglo-Egyptian Sudan revolt culminated in the fall of Khartoum and the death of the British General Charles George Gordon (Gordon of Khartoum) in 1885. Tewfik's forces and those of the United Kingdom were forced to withdraw from almost all of Sudan with Abdalla establishing a theocratic state. Abdalla's religious government imposed traditional Islamic laws upon Sudan and stressed the need to continue the armed struggle until the British had been completely expelled from the country and all of Egypt and Sudan was under his Mahdiya. Though he died six months after the fall of Khartoum, Abdalla's call was fully echoed by his
Khartoum main Nile ("see map, upper right") as it zigzags through northern Sudan into Egypt at Lake Nasser. Khartoum is relatively flat, at elevation , as the Nile flows northeast past Omdurman to Shendi, at elevation about away. Under Köppen's climate classification system, Khartoum features a hot arid climate, with only the summer months seeing noticeable precipitation. The city averages a little over of precipitation per year. Based on annual mean temperatures, the city is one of the hottest major cities in the world. Temperatures routinely exceed in mid-summer. Its average annual high temperature is , with six months of the