Tuhia tētahi tohutoro mō tēnei wāhanga - I te tau 1915, he kaipatu pu a Bullard, ā, i whawhai ia i te aroaro o Somme i Picardy. I Mei me Hune, i ia i Artois, a i roto i te ngahuru o taua tau whawhai i roto i te rua Champagne
whakaeke (Hepetema 25  Noema 6, 1915) i te taha o te awa o Meuse. I whakawhiwhia ia ki te 3rd Marching Regiment o te 1st Foreign Regiment. I te Hurae 13, i uru ia ki te 2nd Marching Regiment o te 1st Foreign Regiment a i mahi ano ia me te 170th French Infantry Regiment (), e mohiotia ana ko te "hirondelles de la mort" ("swallows of death"). Ko te 2nd Marching Regiment o te 1st Foreign Regiment me te 2nd Marching Regiment o te 2nd Foreign Regiment i mahi hei waahanga o te 1st Moroccan Division. I whakahaua i te timatanga e Hubert Lyautey, Kaitiaki-Tianara o Morocco i te pakarutanga o te Pakanga Tuatahi o te Ao, ko te wehenga he ranunga o nga hoia Metropolitan me nga hoia French Colonial, tae atu ki nga Legionnaires, zouaves me tirailleurs. I te mutunga o te pakanga, ko te 1st Moroccan Division tetahi o nga waahanga tino whakapaipai i roto i te ope French. He nui te mate o te Rōpū Tauawhenua i te tau 1915. I tiimata te tau me te 21,887 hoia, NCOs, me nga rangatira, engari i mutu me te 10,683 anake. I te mutunga, ko nga waahanga o te Legion Foreign e whawhai ana i te taha Hauauru i whakauruhia ki te rahui mo te whakapakari me te whakariterite. I te Whiringa-a-rangi 11, 1915, 3,316 nga mea i ora mai i te 1e me te 2e "Etranger" i whakakotahihia ki roto i te waahanga kotahi <unk> te Whakahaerehia o te Rōpū o te Foreign Legion ("Régiment de Marche de la Légion étrangère"), i te tau 1920 ka noho ko te 3rd Foreign Regiment o te French Foreign Legion.