Special Reserve in the context of Richard Haldane, 1st Viscount Haldane

The Army Reserve is the active-duty volunteer reserve force of the British Army. It is separate from the Regular Reserve whose members are ex-Regular personnel who retain a statutory liability for service. Descended from the Territorial Force (1908 to 1921), the Army Reserve was known as the Territorial Army (TA) from 1921 to 1967 and again from 1979 to 2014, and the Territorial and Army Volunteer Reserve (TAVR) from 1967 to 1979.

The force was created in 1908 by the Secretary of State for War, Richard Haldane, when the Territorial and Reserve Forces Act 1907 combined the previously civilian-administered Volunteer Force, with the mounted Yeomanry (at the same time the Militia was renamed the Special Reserve).

The Army Reserve is the volunteer reserve force of the British Army. It is separate from the Regular Reserve whose members are ex-regular personnel who retain a statutory liability for service. Descended from the Territorial Force (1908 to 1921), the Army Reserve was known as the Territorial Army (TA) from 1921 to 1967 and again from 1979 to 2014, and the Territorial and Army Volunteer Reserve (TAVR) from 1967 to 1979.

The force was created in 1908 by the Secretary of State for War, Richard Haldane, when the Territorial and Reserve Forces Act 1907 combined the previously civilian-administered Volunteer Force, with the mounted Yeomanry (at the same time the Militia was renamed the Special Reserve).

The Haldane Reforms were a series of far-ranging reforms of the British Army made from 1906 to 1912, and named after the Secretary of State for War, Richard Burdon Haldane. They were the first major reforms since the "Childers Reforms" of the early 1880s, and were made in the light of lessons newly learned in the Second Boer War.

The major element of the reforms was the creation of an expeditionary force, specifically prepared and trained for intervening in a major war. This had existed before, but it had not been well-prepared for overseas service; the newly organised force was to have a permanent peacetime organisation and a full complement of supporting troops. At the same time, the reserve forces were restructured and expanded so as to ensure that overseas forces could be expanded, supplied with new recruits and to provide for home defence. The Volunteer Force and the Yeomanry were reorganised into a new Territorial Force and the Militia was formed into the Special Reserve; these latter two reforms were grouped together in the Territorial and Reserve Forces Act 1907. To encourage the development of military skills, an Officer Training Corps was established in public schools and universities. Taken together these measures were designed to bring the Army and wider public closer together, to deliver Haldane's vision of a 'nation in arms'. Military strategy was revitalised by a new Imperial General Staff, which would ensure a common doctrine and common strategic aims among the various military forces of the British Empire, including the Dominions as well as British India. Finally, the Regular Army itself would be reformed by the development of a new operational and training doctrine, laid down in Douglas Haig's new Field Service Pocket Book.