1. American forces advance beyond Juvigny. Péronne captured by the Australians. The British during August take 57,318 prisoners, 659 guns, and about 6000 machine guns.
2. The Canadians capture the powerful Drocourt-Quéant line of defenses, taking 8000 prisoners.
Republic of Czecho-Slovakia formally recognized by the United States.
3. The battle of the Scarpe ends with the Germans in wide retreat to the Hindenburg line. Attacking with 10 divisions, the British overthrow 13 German divisions and take 16,000 prisoners.
5. The Allies advance on a 90-mile front.
6. The French occupy Ham and Chauny. The Germans withdraw from the Lys salient.
8. American troops capture Glennes.
10. The French forces close on the Hindenburg line near St. Quentin, La Fère, and St. Gobain.
12. General Pershing, having concentrated 600,000 American troops on a 40-mile front, from Les Eparges to the Moselle, attacks and captures the supposedly impregnable St. Mihiel salient, taking 16,000 prisoners, 443 guns, and immense war stores. The success of this first independent offensive conducted by American troops greatly heartened the Allies and convinced the Germans at last that they had a formidable new army to fight.
New Zealand troops win the battle of Havrincourt, opening the way for operations against the Hindenburg line.
16. The British cross the St. Quentin canal
18. The British win the desperate battle of Epéhy, breaking through elaborate defense systems on a 17-mile front from Holnon to Gouzeaucourt, further clearing the way for attacks on the Hindenburg line.
Franco-Serbian forces advance 10 miles on a 20 mile front against the Bulgarians.
18-22. General Allenby, commanding British forces in Palestine, routs the Turks at the battle of Samaria, eventually capturing 75,000 prisoners and vast war supplies, thereby destroying the military power of Turkey.
25. The Bulgarians in Macedonia retreat on a 130-mile front as a result of crushing defeat in the battle of Cerna-Vardar.
26. The American forces under General Pershing begin the great Meuse-Argonne offensive, with the specific object of breaking through the Hindenburg line and the Argonne forest defenses in order to cut the vitally important railroad communications of the German armies through Mézières and Sedan. The accomplishment of this would not only endanger the entire German plan of retreat but might actually compel the surrender of the German armies. On the first day the Americans drove through the barbed wire entanglements and mastered all the first line defenses.
27-28. Americans on the Meuse-Argonne front penetrate heavily fortified German lines to a depth of from 3 to 7 miles, capturing 10,000 prisoners.
27. British begin attacks between Cambrai and St. Quentin which result in the rupture of the Hindenburg defense system.
28. General Haig's forces cut the Cambrai-Douai, road. The French capture Fort Malmaison. Canadian troops take Raillencourt and Sailly.
29-Oct. 1. The 27th and 30th American divisions given place of honor with the Australian corps under British command in powerful attacks which break through the Hindenburg line along the St. Quentin canal near Gouy and Le Catelet.
29. An English division breaks through the Hindenburg line near Bellenglise tunnel.
French pierce Hindenburg line between St. Quentin and La Fère.
30. Bulgaria ceases hostilities under armistice terms equivalent to surrender.
The Belgians capture Roulers and take 300 guns.