Rubuta ci gaba ga wannan sakin layi - 2nd Battalion, wanda aka sanya a Shorncliffe Camp, ya sauka a Boulogne-sur-Mer a matsayin wani ɓangare na 10th Brigade a cikin 4th Division a watan Agusta 1914. Ya shiga cikin koma baya daga Le Cateau
Daga baya a wannan watan, yakin Marne a watan Satumba na 1914, yakin Aisne kuma a watan Satumba na 1914 da yakin Messines a watan Oktoba na 1914. Ya ci gaba da yin yaƙi a Yaƙin Ypres na biyu a watan Afrilu 1915, Yaƙin Somme a kaka 1916 da Yaƙin Arras a watan Afrilu 1917. Hakanan bataliya ta ga aiki a yakin Passchendaele a cikin Fall 1917, yakin Lys a watan Afrilu 1918, yaƙe-yaƙe na Hindenburg Line da kuma ci gaba na ƙarshe a Picardy.