The British widen the breach in the Hindenburg defences, capture Drocourt, and advance on Inchy and Mœuvres; this marks the end of the Battle of the Scarpe (see Aug. 26), in which the British captures amount to 200 guns and over 16,000 prisoners. The Germans evacuate Lens. The French cross the Somme at Epanancourt. Sept. 4 (Wed.) The British make progress toward Cambrai, exerting pressure on the retiring enemy; they capture Ecourt and reach the outskirts of Mœuvres; on the Lys Front they capture Ploegsteert village. Sept. 5 (Thur.) The French strike north-east of Noyon towards St. Quentin; on the Soissons Front they reach the Aisne from Condé to Vieil-Arcy. Sept. 6 (Fri.) Between the Somme Canal and the Oise the French capture the Autrécourt _massif_, Ham, and the railway junction at Chauny. The Germans retreat rapidly from the line of the Somme south of Péronne towards the Hindenburg line from which they launched their offensive on March 21. Sept. 7 (Sat.) The German retreat, pressed by the French, towards St. Quentin, La Fère, and Laon continues. Sept. 9 (Mon.) The British reach Gouzeaucourt and Epéhy. The French cross the Crozat Canal. Sept. 11 (Wed.) The British capture Vermand and Vendelles, north-west of St. Quentin; south-west of La Bassée they capture the 'Railway Triangle.' Sept. 12 (Thur.) The Americans, under General Pershing, attack both flanks of the St. Mihiel salient (the Battle of St. Mihiel): they capture Thiaucourt and other important positions with 8000 prisoners. The Battle of Havrincourt and Epéhy begins (see Sept. 18): the British capture Mœuvres, Havrincourt, Trescault, and Gouzeaucourt Wood. West of St. Quentin the British take Holnon Wood and the French capture Savy. H.M.S. _Sarnia_ (armed boarding-steamer) is sunk by a submarine in the Mediterranean. The Union Castle liner _Galway Castle_ is sunk by a submarine (154 lives lost). Sept. 13 (Fri.) The Battle of St. Mihiel ends in the complete capture of the salient by the Americans, with 15,000 prisoners and 200 guns. Sept. 14 (Sat.) The Caspian:--The British evacuate Baku (see Aug. 4). Sept. 15 (Sun.) The Austrian Government issues a 'Peace Note'; Germany offers peace terms to Belgium. The Germans, after evacuating the St. Mihiel salient, retire on a front of 33 miles, pressed by the Americans and the French, towards the Conflans-Metz-Longwy railway. Macedonian Front:--The Battle of the Vardar begins, an offensive being launched by the Serbians and the French south-east of Monastir (see Sept. 30). Sept. 16 (Mon.) Macedonian Front:--The Serbians and the French advance on a front of 16 miles to an average depth of 4½ miles; they capture over 4000 prisoners and 30 guns. An aeroplane raid on Paris (6 killed): two of the raiders are brought down. Sept. 17 (Tues.)