Siege of Khartoum support of the Mahdi, and cut the Egyptian traffic on the Nile and the telegraph to Cairo. Communications were not entirely cut, as runners could still get through, but the siege had begun and Khartoum could only rely on its own food stores, which could last five or six months. On 16 March an abortive sortie from Khartoum was launched, which led to the death of 200 Egyptian troops as the combined forces besieging Khartoum grew to over 30,000 men. Through the months of April, May, June, and July, Gordon and the garrison dealt with being cut off as food
Khartoum Egypt). There is some speculation that they learned their craft at an academy in the south of Egypt from which the city takes its name. In 1821, Khartoum was established north of the ancient city of Soba, by Ibrahim Pasha, the son of Egypt's ruler, Muhammad Ali Pasha, who had just incorporated Sudan into his realm. Originally, Khartoum served as an outpost for the Egyptian Army, but the settlement quickly grew into a regional centre of trade. It also became a focal point for the slave trade. Later, it became the administrative center of Sudan and official capital. On 13