Military Wiki
The Lord Horne
General Lord Horne
Born (1861-02-19)February 19, 1861
Died August 14, 1929(1929-08-14) (aged 68)
Allegiance  United Kingdom
Service/branch Flag of the British Army.svg British Army
Rank General
Commands held 2nd Division
XV Corps
First Army
Eastern Command
Battles/wars First World War
Awards Knight Grand Cross of the Order of the Bath
Knight Commander of the Order of St Michael and St George

General Henry Sinclair Horne, 1st Baron Horne GCB, KCMG (19 February 1861 – 14 August 1929) was a military officer in the British Army, most notable for his generalship during World War I. He was the only British artillery officer to command an army in the war. Until recently Horne was the unknown General of the Great War and did not have a biographer. It was believed that he had not kept a diary and that his wife had destroyed all his letters after his death, although, in reality, his papers had been handed down to his granddaughters, who had kept them safe. The donation of his extensive papers, which include his diaries and letters, to the Imperial War Museum by the family has allowed his career to be re-evaluated (see Further Reading below).

Background and education

Horne was born on 19 Feb 1861 in the parish of Wick in Caithness, Scotland, the third son of Major James Horne and Constance Mary Shewell. He was first educated at Harrow, receiving an artillery commission from the Royal Military Academy, Woolwich in May 1880.[1]

Early military career

From 1899 to 1902 Horne fought with the cavalry in the Second Boer War[1] under Sir John French. He was promoted Major, received the brevet promotion to Lieutenant colonel in November 1900,[2] and in the latter stages of the war was mentioned in dispatches. In 1905 he received the substantive promotion to lieutenant-colonel and served with the Royal Horse Artillery under Sir Douglas Haig. His military career was unremarkable until 1912 when he was promoted to brigadier and appointed Inspector of Artillery.[1]

First World War

War broke out two years later and Horne was appointed to command a force of artillery under General Haig, who commanded I Corps.[1] At the Battle of Mons, Horne distinguished himself with a rearguard action that allowed Haig's I Corps to retreat almost effortlessly; admittedly the German Army made few attacks toward Haig's forces, as they were occupied by Sir Horace Smith-Dorrien's costly defensive action.

Horne fought with distinction in the British Expeditionary Force's actions throughout 1914; in October of that year, he was promoted to major general and created a Companion of the Order of the Bath. A few months later, he was given command of the 2nd Division.[1] In May 1915, Horne's division participated in the first British night attack of the war, distinguishing itself at the Battle of Festubert, France; the attack faltered, partly because the artillery ran out of ammunition. The media launched vicious attacks on the Secretary of State for War, Lord Kitchener; the blame was eventually laid on General French who was sacked at the year's end. Significantly, the artillery were reorganised after this fiasco at General Horne's suggestion.

Middle East

In November 1915, Horne accompanied Lord Kitchener to the Dardanelles, where they organised and executed the evacuation of Gallipoli. For several months, Horne was placed in charge of the Suez Canal defences (and given command of the XV Corps).[1]

Western Front

A map of the first day of the Battle of the Somme. General Horne's forces were located on the right flank of the attacking line.

March 1916 saw him back on the Western Front. He joined the Fourth Army which was preparing for an attack on the Somme. On 1 July 1916, General Horne's XV Corps participated in the costliest battle of the First World War. In the pre-battle plans, Horne advocated and became an architect of the "creeping barrage" which was used for the rest of the war. The Battle of the Somme, which raged on for four months, ended with over a million casualties on both sides—more than 57,000 casualties occurred on the first day. 13 British divisions participated in the attack; General Horne's XV Corps consisted of the 21st and 7th Divisions. His divisions focused their attack on two villages, Fricourt and Mametz; they captured both on the first day for about 8,000 casualties.

On 1 January 1917, he was promoted to Lieutenant General "for distinguished service in the field".[3] In September, Horne was created a Knight Commander of the Order of the Bath and, after the successful capture of Flers, he was promoted to general and succeeded Sir Charles Monro (after a brief hiatus between 7 August and 29 September when the command was held by Haig's first choice Richard Haking, who was then blocked from receiving the promotion) as commander of the First Army.[1] His first trial occurred in April 1917, when his troops were sent on a diversionary attack on the fearsome Vimy Ridge, which rose hundreds of feet over the surrounding landscape. French Army commander Robert Nivelle was critical of Horne's plan; Nivelle was the one found incompetent and, after one month of relative failure (and a mutiny), Nivelle was sacked and replaced with Philippe Pétain. The attack on Vimy Ridge was spearheaded by the First Army's "shock troops" (the Canadian Corps). The ensuing Battle of Vimy Ridge, the first of a series of actions known as the Battle of Arras was successful: supported by Horne's 1,000-odd artillery pieces, the Canadian forces took the ridge in four days, with approximately 10,000 casualties (against 20,000 German casualties). The capture of Vimy Ridge would prove essential to the British Army: it served as the backbone of the British defence from March 1918 onward.

Nivelle's failure and sacking lengthened the actions around Arras. With success imminent, General Haig began siphoning troops northward, where many would participate in the Battles of Messines and Passchendaele. The First Army served mainly as a diversion and a placeholder until April 1918.

In April, the Germans embarked on the Spring Offensive which was similar to the Allied Somme Offensive two years previous. At first, the attack was successful. On Horne's front, nine German divisions attacked his weak left flank which was manned by two exhausted Portuguese divisions. The Germans advanced six miles to the banks of the River Lawe, where they were repulsed by the 55th and 51st Divisions.

After this final German offensive, the British took the initiative permanently. General Haig's forces embarked on the Hundred Days Offensive, which ended the war; General Horne's troops distinguished themselves in the lengthy offensive.


At the end of the war, Horne was created a Knight Commander of the Order of St Michael and St George and a Knight Grand Cross of the Order of the Bath. For his wartime services he received the thanks of Parliament and was raised to the peerage as Baron Horne, of Stirkoke in the County of Caithness. He was promoted to head of the Eastern Command in 1919 and retired from the army in 1923.[1] He was appointed Master Gunner of St. James's Park, an honorary position he would hold until his death; he was also appointed Colonel of the Highland Light Infantry.

Personal life

Lord Horne married Kate, daughter of George McCorquodale, in 1897. While shooting in his Stirkoke estate in August 1929, he suddenly died of unknown causes, aged 68. He was buried on his family plot. Although his title was commutable over one generation of daughters, his only child, daughter Kate (also known as 'Kitten'), also only had daughters so therefore the title became extinct.


Further reading

  • Beckett, Dr Ian F, Corvi, Steven J (editors), Haig's Generals (Pen & Sword, 2006, ISBN 1-84415-169-7) — includes a 24-page chapter on Horne by Dr Simon Robbins (Department of Documents, Imperial War Museum)
  • Farr, Don, The Silent General: Horne of the First Army, A Biography of Haig’s Trusted Great War Comrade-in-Arms (Helion, Solihull, 2007)
  • Robbins, Dr Simon, The First World War Letters of General Lord Horne (The History Press Ltd for the Army Records Society, 28 September 2009, ISBN 0-7524-5463-3, ISBN 978-0-7524-5463-4)
  • Robbins, Dr Simon, British Generalship during the Great War: The Military Career of Sir Henry Horne (1861–1929) (Ashgate, 1 September 2010, ISBN 0-7546-6127-X, ISBN 978-0-7546-6127-6)

External links

Military offices
Preceded by
Charles Monro
General Officer Commanding the 2nd Division
Succeeded by
William Walker
Preceded by
New Post
General Officer Commanding XV Corps
Succeeded by
John Du Cane
Preceded by
Sir Charles Monro
Commander of the British First Army
Succeeded by
Post disbanded
Preceded by
Sir Charles Woollcombe
GOC-in-C Eastern Command
Succeeded by
Sir George Milne
Honorary titles
Preceded by
Sir Edward Chapman
Master Gunner, St James's Park
Succeeded by
Sir George Milne
Peerage of the United Kingdom
New creation Baron Horne

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