The 2nd Battalion landed at Boulogne-sur-Mer as part of the 5th Brigade in the 2nd Division in August 1914 for service on the Western Front. It saw action at the Battle of Aisne in September 1914, the Battle of Ypres in November 1914, the Battle of Loos in October 1915, the Battle of the Somme in Summer 1916, the Battle of Arras in April 1917, the Battle of Cambrai in December 1917 and the advance to the Hindenburg Line in September 1918.