Rubuta ci gaba don wannan sakin layi - Rukunin Tsaro na 23 ya yi yaƙi a Yammacin Yamma, yana shiga cikin ƙaddamar da hare-haren Jamus wanda ya haifar da Babban Maƙasudin Allied kuma ya ƙare tare da Yaƙin Marne na farko. Bayan haka, rukunin ya kasance a cikin layi a yankin Champagne har zuwa ƙarshen 1914 kuma har zuwa Yuli 1916 kuma ya yi yaƙi a Yaƙin Champagne na biyu
a cikin kaka na 1915. A ƙarshen Yuli 1916, rukunin ya shiga yakin Somme. Ya kasance a cikin yankunan Somme, Artois da Flanders daga baya. Bayan ɗan gajeren hutu a watan Afrilu 1917, sashin ya shiga cikin layi akan Yser. An aika da 'yar'uwarta a cikin Royal Saxon XII Reserve Corps, 24th Reserve Division, zuwa Gabas ta Gabas a ƙarshen Afrilu. Rundunar ta 23 ta kasance a Flanders, kuma ta fuskanci Birtaniya a yakin Passchendaele. A watan Oktoba 1917, bayan mummunan fada a Flanders, an tura sashin zuwa Gabas ta Gabas, inda ya isa Nuwamba. Ya kasance a kan layin da ke fuskantar Rasha lokacin da armistice a Gabashin Gabas ya fara aiki. Daga nan sashin ya tafi Latvia kuma bayan 'yan watanni na fada ya mamaye yankin tsakanin Kogin Daugava da Lake Peipus. A watan Maris na shekarar 1918, rukunin ya koma Yammacin Yamma kuma an tura shi zuwa Flanders da Artois. Daga nan sai ya shiga cikin hare-haren bazara na Jamus na 1918 kuma ya kasance a cikin layin a yankin Flanders har zuwa karshen yakin. Ƙungiyar Allied Intelligence ta ba da rabuwa a matsayin na uku.