During the Second Boer War Stuart-Wortley commanded a composite battalion of the King's Royal Rifles Corps and Rifle Brigade (Prince Consort's Own) at the Battle of the Tugela Heights, assisting in the Relief of Ladysmith.Churchill, W.S. London to Ladysmith via Pretoria, London: Longmans, Green & Co. 1900, ch. XXII In July 1901, he received the promotion to lieutenant-colonel, and was appointed a military attaché to Paris, a post he would hold for three years.
