Mezue ahịrịokwu na-esonụ: N'ịgbaso Operation Michael, Germany malitere Operation Georgette megide ọdụ ụgbọ mmiri ndị dị n'ebe ugwu nke ọwa mmiri English. Ndị Allied kwụsịrị njem ahụ mgbe Germany nwetasịrị ókèala dị nta. Ndị agha Germany nọ n'ebe ndịda na-eduzizi
Ọrụ Blücher na Yorck, na-aga n'ihu na Paris. Germany malitere Operation Marne (Agha nke Abụọ nke Marne) na July 15, na-anwa imechi Reims. Ihe si na ya pụta, nke malitere Ọgụ nke Otu Narị Ụbọchị, bụ akara mbụ nke agha Allied nke agha ahụ. Ka ọ na-erule July 20, ndị Germany agbaghaala n'ofe Marne gaa n'ahịrị ha bidoro, na-enwetaghị ihe ọ bụla, ndị agha German enwetaghachighịkwa atụmatụ ahụ. Ndị Germany nwụrụ n'agbata March na April 1918 dị 270,000, gụnyere ọtụtụ ndị agha a zụrụ nke ọma.