GERMANS BEGIN EVACUATION OF FLANDERS: Sniper kills British war poet Lt H L Simpson at Hazebrouck. CIGS telegram warns Haig ‘the War Cabinet would become anxious if we received heavy punishment in attacking the Hindenburg Line without success’.
Somme: New Zealand Division recaptures Bapaume.
Aisne: French re-occupy Noyon and cross river Ailette.
Artois: Canadians advance nearly 1,000 yards, taking 2 villages on river Sensee.
Spanish SS Casara sunk by U-boat.
Western Front: 16 RAF DH9s cause fires at Cambrai and Valenciennes stations, but 20 German fighters (4 lost) thwart 12 DH9s (2 lost) from bombing Somain station and their 15 escorting Sopwith Camel fighters lose 5. Germans claim 40 aircraft for loss of 4.