Whakaotihia te rerenga e whai ake nei: I arahi a Pétain i tana pereti i te Pakanga o Guise (29 Akuhata 1914). I te mutunga o Akuhata 1914 i tere whakatairangahia ia ki te brigadier-general ka whakawhiwhia ki te whakahau o te 6th Division i te wa mo te Pakanga Tuatahi o te Marne; neke atu i te marama i muri mai, i te Oketopa 1914, ka whakatairangahia ano ia ka noho hei rangatira o te XXXIII Corps. I muri i tana arahi i tana ope i te puna o te tau 1915 Artois Offensive, i te Hōngongoi 1915 i whakawhiwhia ia ki te whakahau o te Army Tuarua, i arahina e ia i te
Ko te whakaeke Champagne i taua ngahuru. I riro i a ia te ingoa ko ia tetahi o nga rangatira angitu i te Hauauru Hauauru.