Aug. 21 (Wed.)
The Battle of Bapaume begins (see Aug. 31): the British 3rd Army (Byng) attacks on a ten-mile front between Albert and Arras; Beaucourt, Achiet-le-Petit, Courcelles, and Moyenville are captured.
Between the Oise and the Aisne the French outflank Noyon, reaching the line Pontoise—Cuts—Camelin.
British air-squadrons bomb Frankfurt, Cologne, Mannheim, and Trèves (night of Aug. 21-22).
Aug. 22 (Thur.)
The British attack on a six-mile front between Albert and Bray; they capture Albert and penetrate the German positions to a depth of two miles.
The French continue to advance south of the Oise and capture St. Aubin and Pommières.
The Austrians launch a counter-offensive in Albania.
The Bolshevists defeat the Trans-Caspian forces and capture Merv.
Aug. 23 (Fri.)