The Lys Front:—The British recapture Météren (see April 17).
The French and Americans continue to attack between Soissons and Château-Thierry and approach the Soissons—Château-Thierry road; south of the Marne the Germans also yield ground.
July 20 (Sat.)
The Germans withdraw across the Marne (on the night of the 19th-20th); the Allied captures since the counter-stroke exceed 20,000 prisoners and 400 guns.
The White Star liner Justicia is sunk by submarines off the north coast of Ireland after fighting for twenty-four hours (16 lives lost); one of the submarines is sunk by the British destroyer Marne.
July 21 (Sun.)
The French recapture Château-Thierry; British, French, and Italian troops advance between the Marne and Rheims down the valley of the Ardre; they capture Courton Wood.
July 22 (Mon.)
The Allies cross the Marne near Dormans, at Chassins and Passy; the Germans retreat north and south of Fère-en-Tardenois; German counter-attacks between the Marne and the Ourcq are repulsed and the French advance beyond La Croix and Epieds; east of Rheims General Gouraud recovers all his original positions between the Suippes and Massiges.
July 23 (Tues.)