First Army was a home service formation of the

British Army during the First World War The British Army during the First World War fought the largest and most costly war in its long history. Unlike the French and German Armies, the British Army was made up exclusively of volunteers, as opposed to conscripts, at the beginni ...

. First Army was formed on 5 August 1914 under the command of

Central Force In classical mechanics, a central force on an object is a force that is directed towards or away from a point called center of force. \mathbf(\mathbf) = F( \mathbf ) where F is a force vector, ''F'' is a scalar valued force function (whose abso ...

. It was based at

Bedford Bedford is a market town in Bedfordshire, England. At the 2011 Census, the population was 106,940. Bedford is the county town of Bedfordshire and seat of the Borough of Bedford local government district. Bedford was founded at a ford (crossin ...

and Sir Bruce Hamilton was the Army Commander. Units attached to the Army were the Highland Division and the Highland Mounted Brigade. First Army kept its name even after the establishment of a First Army in the British Expeditionary Force in December 1914. It was disbanded on 12 March 1916 and reformed as Northern Army.

References

Field armies of the United Kingdom in World War I Military units and formations established in 1914 Military units and formations disestablished in 1916 {{UK-mil-unit-stub