July 16 (Tues.)
French and American troops regain ground south of the Marne and capture high ground overlooking the Marne Valley.
H.M.S. Anchusa (sloop) is sunk by a submarine off the north coast of Ireland.
July 17 (Wed.)
The Germans make progress towards Epernay and reach Montroison; east of Rheims they are defeated and driven back south of Prunay.
In the Somme area the Australians again make progress east of Villers-Brétonneux (see July 5 and 7).
The Cunard liner Carpathia is sunk by a submarine west of Ireland (five lives lost).
July 18 (Thur.)
The turning-point which leads to complete victory: the French counter-attack on a front of 35 miles between Belleau (5 miles north-west of Château-Thierry) and Vingres (north-west of Soissons); on the left, under General Mangin, they reach the Mont de Paris, near Soissons; in the valley of the Crise, they advance to a depth of 8 miles and capture 5000 prisoners and 30 guns. Further south they attack in co-operation with American troops, advance to a depth of 5 miles, and regain more than 20 villages; east of Rheims the French under General Gouraud recapture Prunay.
July 19 (Fri.)