The French capture Ribécourt, on the Oise.
Aug. 15 (Thur.)
The British advance across the Ancre.
The French complete the capture of the Lassigny massif: this ends the Second Battle of Lassigny (see Aug. 9).
A German aeroplane raid on Paris.
H.M.S. Scott (flotilla leader) and H.M.S. Ullswater (destroyer) are sunk by submarine in the North Sea.
Aug. 16 (Fri.)
The French make further progress south of Lassigny.
Aug. 17 (Sat.)
The French (under General Mangin) advance between the Oise and the Aisne.