Rubuta ci gaba don wannan sakin layi - A cikin 1917, Knauth ya shiga cikin Sojojin Amurka a 1917 don yin aiki a cikin Gidan Yakin Turai na Yaƙin Duniya na 1. Knauth ya yi aiki tare da Rundunar 'yan bindiga ta 101 na New England Division of the American Expeditionary Forces. Ya shiga cikin yakin Chemin des Dames
, Yaƙin Saint-Mihiel, Pont-à-Mousson, da Château Thierry.