History of the British Army postal service relieve General Gordon in Khartoum. The Army Post Office Corps under the command of Major Sturgeon was despatched to Suakin in support of the expeditionary force raised to relieve General Gordon in Khartoum. They landed at Suakin on 27 March 1885 and established the Base Army Post Office there. Further Field Post Offices were opened at Quarantine Island, the railway terminus and one each with the Headquarters and 2nd Brigade. The mails travelled the same routes as for the Egyptian Campaign of 1882. A daily mail service between Suakin, the Headquarters, Handub and Otao was arranged. Every morning a messenger
Siege of Khartoum its lowest. The relief expedition was attacked at Abu Klea on 17 January, and two days later at Abu Kru. Though their square was broken at Abu Klea, the British managed to repel the Mahdists. The Mahdi, hearing of the British advance, decided to press the attack on Khartoum. On the night of 25–26 January an estimated 50,000 Mahdists attacked the city wall just before midnight. The Mahdists took advantage of the low level of the Nile, actually crossing it on foot, and rushed around the wall on the shores of the river and into the town. The details of