He was the son of William Douglas of Brigton (died 1814), and his wife Elizabeth Graham, daughter of Robert Graham, 11th of Fintry.[3] He served at
the Cape of Good Hope in 1795. He was promoted to major in
74th Foot on 4 December 1796. He joined the
91st Foot in 1798.[4] He was promoted a brevet Lieutenant-Colonel 1 January 1800.[5]
He served on the Hanover expedition in 1805 and fought in the
Peninsular War from August 1808 to June 1809. While in theatre he was promoted to Lieutenant-Colonel of
91st Foot on 25 November 1808 and commanded the 1st Battalion from 1808 to 1818. He served in the
Walcheren expedition of 1809; again in Iberia and then France under Wellington from January 1813 to April 1814. He obtained the rank of brevet Colonel on 4 June 1814.[5] He served in
Waterloo Campaign of 1815, during which he led one of the columns that stormed Cambray on 24 June 1815.[6] He was awarded the
Army Gold Cross (one of only 163 so honoured).[4] He died in August 1818 at
Valenciennes in France.[7]
Timmermans, D. (24 September 2008),
Douglas's tome in Valenciennes, Les Monuments de l'Empire — Erected by the Officers, non–coms and privates XCI British Regiment to the memory of Colonel Sir William Douglas K.C.B. Their Commanding Officer as a feeble testimony of regard and their regret for one of the bravest and the best of men Died XXV Aug MDCCCXVIII aged XL.
Further reading
McGuigan, Ron (24 September 2008),
"Lt-col William Douglas ( ? – 1818)", Napoleon Series Archive 2008, retrieved 1 March 2014 — a forum comment.
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