Early in his career he took part in the Second Anglo-Afghan War, the Hazara Expedition and operations in the Khyber Pass. He went on to command the Bannu column during operations in Waziristan in 1894 and to serve as senior staff officer for the Tochi Expedition in 1897. Egerton took command of the troops in British Somaliland fighting the Dervish leader Sayid Abdullah Hassan in June 1903; he had a significant success at Jidbali in January 1904 killing 1,000 of Hassan's men. His last appointment was as General Officer CommandingSecunderabad District in 1904 before retiring in 1907.
Egerton served with his regiment in the Second Anglo-Afghan War in 1879 and was mentioned in despatches.[6] He became Assistant Adjutant-General of the Punjab Frontier Force on 30 November 1886[7] and, having been promoted to major on 8 June 1887,[8] he took part in the Hazara Expedition in 1888 and in operations in the Khyber Pass in 1891 for which he was awarded the Distinguished Service Order (DSO) on 30 May 1891.[9] Promoted to lieutenant colonel on 1 September 1891,[10] he became Second-in-Command of his regiment in 1892 and commanded the Bannu column during operations in Waziristan in 1894[11] before becoming Assistant Quartermaster-General at Bengal Command on 21 June 1895.[12] He was appointed Companion of the Order of the Bath (CB) and then promoted to colonel on 1 September 1895.[13]
Egerton commanded a contingent of troops sent to Suakin in 1896 to hold the town when its permanent garrison was withdrawn for service under Lord Kitchener following which he became an aide-de-camp to the Queen on 17 November 1896.[14] He was senior staff officer and Commander of the 1st Brigade for the Tochi Expedition in 1897 before becoming Commander-in-Chief Punjab Command with local promotion to major-general on 1 April 1899.[15] He was promoted to the local rank of lieutenant general on 3 April 1900,[16] and reverted to his command of the Frontier Force in October 1901 when his command in Punjab ended.[17] A promotion to the substantive rank of major-general followed on 1 April 1902[18] and, after leading an expedition to Waziristan later that year, he was advanced to Knight Commander of the Order of the Bath (KCB) in the 1903 Durbar Honours on 1 January 1903.[19][20]
Promoted to the substantive rank of lieutenant general on 28 October 1903,[21] he became Commander-in-Chief Madras Command in 1903, serving as such until 1907.[22]
Egerton took leave from Madras post to take command of the troops in British Somaliland fighting the Dervishes led by Mohammed Abdullah Hassan on 27 June 1903.[23] He had a significant success at Jidbali in January 1904 killing 1,000 of Hassan's men.[24] However in March 1904 questions were still being asked in the British Parliament as to whether Hassan (then known as the "Mad Mullah") understood that operations would only end when he was captured or killed.[25]
In retirement Egerton wrote about his wartime experiences and was the author of a book entitled "Hill Warfare on the North-West frontier of India".[30] He died on 20 February 1921 and was buried at St Mark's Churchyard at Highcliffe in Dorset.[31]
Family
In 1877 Egerton married Anna Wellwood and they went on to have three sons.[2]