Oct. 23 (Wed.)
The British 3rd and 4th Armies attack on a twenty-mile front north-east of Le Cateau; they advance to a depth of four miles. The British 1st Army, advancing between Tournai and Valenciennes, captures Bruay, Bleharies, and Espain.
Further south the French cross the Souche against strong resistance.
Mesopotamian Front:—The British advance (east of the Tigris) along the road Kifri—Kirkuk—Alton Keupri.
Oct. 24 (Thur.)
The British 3rd and 4th Armies advance between the Scheldt and the Sambre; they approach Landrecies and the Forest of Mormal.
Italy:—The Allies launch an offensive on a wide front against the Austrian positions in the Trentino and on the Middle Piave; the Italians capture Monte Solarolo, the French Monte Sisemol; the British attack to force a crossing of the Piave.
Oct. 25 (Fri.)
The British 1st Army advances north of Valenciennes; the British 3rd Army captures eight miles of the Valenciennes-Avesnes railway: this ends the Battle of the Selle (see Oct. 17), which has forced the Germans from the line of the river, driven a new salient into their front, and cut their chief lateral communication, the Valenciennes-Metz railway. Captures in the battle amount to 21,000 prisoners and over 450 guns.