Rubuta ci gaba don wannan sakin layi - An tattara rukunin a matsayin Rukunin Sojoji na 5 a watan Agusta 1914 kuma aka aika zuwa yamma don kamfen buɗe yakin. A cikin 1914 ya yi yaƙi a Yaƙin Marne da Gasar zuwa Tekun. Daga nan sai ya zauna a cikin yakin basasa a cikin kogin Somme. Ya yi yaƙi a yakin Somme da kuma yakin Verdun a shekara ta 1916 da kuma karo na biyu na Aisne
(wanda kuma ake kira Yaƙin Champagne na Uku) a cikin 1917. A tsakiyar shekarar 1917, an tura shi zuwa Gabashin Gabas don mayar da martani ga Rasha Kerensky Offensive. A watan Oktoba 1917, an tura rukunin zuwa gaban Italiya, inda ya yi yaƙi a yakin Caporetto. Ya koma Yammacin Yamma a watan Disamba na 1917, kuma ya kasance a can har zuwa karshen yakin, yana shiga cikin hare-haren bazara na Jamus da hare-haren Allied da suka biyo baya. Har sai da aka zubar da jini a cikin hare-haren 1918, ƙungiyar ta kasance ta zama ta farko ta hanyar haɗin gwiwar Allied.