Khedivate of Egypt minority of European and Egyptian inhabitants. Instead of evacuating the city, Gordon prepared for a siege and held out from 1884 to 1885. However, Khartoum eventually fell, and he was killed. The British Gordon Relief Expedition was delayed by several battles, and was thus unable to reach Khartoum and save Gordon. The fall of Khartoum resulted in the proclamation of an Islamic state, ruled over first by the Mahdi and then by his successor Khalifa Abdullahi. In 1896, during the reign of Tewfik's son, Abbas II, a massive Anglo-Egyptian force, under the command of General Herbert Kitchener, began the reconquest
Khartoum of them diplomats. The US ambassador, the US deputy ambassador, and the Belgian "chargé d'affaires" were murdered. The remaining hostages were released. A 1973 United States Department of State document, declassified in 2006, concluded: "The Khartoum operation was planned and carried out with the full knowledge and personal approval of Yasser Arafat." In 1977, the first oil pipeline between Khartoum and the Port of Sudan was completed. Throughout the 1970s and 1980s, Khartoum was the destination for hundreds of thousands refugees fleeing conflicts in neighboring nations such as Chad, Eritrea, Ethiopia, and Uganda. Many Eritrean and Ethiopian refugees assimilated into