 During the Indian Rebellion of 1857, a British convert to Islam named Abdullah Beg was one of the most active insurgents in Delhi against British rule.Beg was a former Company soldier, who upon the arrival of the mutineer "sepoys" on 11 May, self-identified with them and virtually became a leader and advisor to the rebel forces in Delhi.He was last seen manning the rebel artillery along with another British defector and Muslim convert, Sergeant-Major Gordon.