Kammala jumla mai zuwa: Bayan da aka tattara da kuma sanarwar yaƙi, 1st Battalion, Wilts ya tura zuwa Faransa a matsayin wani ɓangare na Brigade na 7 na 3rd Division, ya sauka a Faransa a ranar 14 ga Agusta, 1914, kuma ba da daɗewa ba ya yi yaƙi a yakin Mons da Great Retreat kuma, a watan Oktoba, a cikin Yaƙin Ypres na farko, wanda a lokacin da bataliya ta rasa jami'ai 26 da sama da 1,000. 1st Wilts ya kasance a Yammacin Yamma tare da 3rd Division har sai an canja Brigade na 7 zuwa 25th Division a ranar 18 ga Oktoba, 1915. A watan Maris na shekara ta 1918, rundunar ta shiga cikin
Operation Michael, farkon matakin Farko na Rundunar Sojan Jamus, kuma daga baya ya rage zuwa ƙarfin kamfanin. A lokacin wannan gwagwarmaya ne aka baiwa Kyaftin Reginald Frederick Johnson Hayward MC lambar yabo ta Victoria Cross. 1st Wilts ya yi aiki tare da 25th Division har sai an canja shi a ranar 21 ga Yuni, 1918. A ranar 21 ga Yuni 1918, 1st Wilts ya shiga Brigade na 110, wani ɓangare na 21st Division, wanda ya yi aiki tare da sauran yakin.