The 15th (Scottish) Division was formed from men volunteering for Kitchener's Army, and served from 1915 to 1918 on the Western Front.

The division moved to France in July 1915 and spent the duration of the First World War in action on the Western Front.

The division fought in the Battle of Loos in which it seizing the village of Loos and Hill 70, the deepest penetration of the German positions by the six British divisions involved in the initial day.

[1] The North Uist-born war poet Dòmhnall Ruadh Chorùna, a highly important figure in 20th century Scottish Gaelic literature, saw combat with the 7th (Service) Battalion King's Own Cameron Highlanders, 44th Infantry Brigade, 15th (Scottish) Division during the trench warfare along the Western Front and vividly described his war experiences in verse.

[2] The division had the following commanders:[3] 44th Infantry Brigade 45th Brigade 46th Brigade Divisional Troop Royal Artillery Royal Engineers Royal Army Medical Corps