First Battle of the Marne

German armies advance toward Paris. Retreating Allied forces regroup and counterattack, striking a major blow to the German First and Second Armies. With one million soldiers engaged in the battle on both sides, the Germans order a controlled retreat to the high ground opposite the Aisne River. German's quest for a quick victory on the Western Front is folied, and four years of trench warfare follow.

1914-09-07

“Approximate Lines of Opposing Forces in France Before the Allies’ Advance Began.” The New York Times: 8 Sep. 1914, vol. LXIII no. 20,681: 1. The New York Times Company. NYTimes Search. Web. 21 Jul. 2017.

Perris, G. H. “Allies Press Forward.” The New York Times: 9 Sep. 1914, vol. LXIII no. 20,682: 2. The New York Times Company. NYTimes Search. Web. 20 Jul. 2017.