The 1st Battalion landed at Le Havre as part of the 3rd Brigade in the 1st Division in August 1914, and spent the entire war on the Western Front. The battalion saw action at the Battle of Mons, the Battle of the Marne, the Battle of the Aisne, the Battle of Ypres, the Battle of Aubers Ridge, the Battle of Loos, the Battle of Festubert, The Hindenburg Line, the Battle of Bellecourt, the Battle of Broodseinde, the Battle of Passchendaele and the Battle of Arras.