Dec. 15—Allies advance on the whole front in movement to drive Germans from Belgium; German attacks south of Ypres repulsed and way to Roulers opened.
Dec. 16—Germans evacuate Dixmude; German defenses near Arras mined; Allies maintain offensive; Germans force the fighting in Argonne region; Allies make gains from Arras to the sea; Germans repulsed in Woevre region and in Alsace.
Dec. 17—Allies enter Westende; Germans rush more troops to Belgium.
Dec. 18—Allies take Roulers; fighting in Lille and near Arras.
Dec. 19—Allies gain at several points from the North Sea to the Oise; they lose near La Bassée.
Dec. 21—Allies extend offensive operations; they report progress in the centre.
Dec. 22—Allies press offensive; Germans shell hospital at Ypres; they claim that Allies' advance has failed.
Dec. 23—Allies make slight gains.
Dec. 24—British are using new howitzers; some German trenches have been torn to bits by French guns.
Dec. 25—Reported that the French are shelling the outer forts of Metz; unofficial truce along much of the battle front; soldiers feast and get many gifts from home; in some instances Allies and Germans exchange gifts and visits.