The Germans launched the fifth phase of their offensives three days ago, attacking in the Marne and Champagne sectors to the east and west of Reims. Progress has been poor, achieving nothing like the initial successes of the previous assaults.
Now the Allies strike back. A strong French force bolstered by American reinforcements attacks the German salient on the Marne. In a break with Western Front tradition, there is no preliminary bombardment; instead a rolling barrage opens up just as the Allied troops move forward. Supported by several hundred of the new Renault tanks the French make great progress against the Germans, who have been taken by surprise and are manning only weakly fortified positions
The French attack forces the final abandonment of the German offensive, which Ludendorff had rashly dubbed the Peace Offensive in an attempt to persuade German troops that this was the last battle before the war’s victorious end. Now the Germans are losing the initiative. Ludendorff’s attempt to win the war before the Allies collected their strength appears to have failed. Unless he can pull one more rabbit out of the hat it looks like German defeat is now inevitable.
map (1918: La Deuxiéme Bataille de la Marne)
French tanks and soldiers advance (Herodote.net: 15 juillet 1918 – L’Allemagne joue son va-tout en Champagne)