Herr Michaelis, the new German Chancellor, declares in the Reichstag for 'a victor's peace.' The Germans attack in north-eastern Galicia and pierce the Russian Front; here and elsewhere mutinous Russian units refuse to fight. East Africa:--The main German forces are defeated at Norongombe and driven in retreat to the Mbemkuru Valley. July 20 (Fri.) Galicia:--The Germans advance rapidly towards Tarnopol. July 21 (Sat.) Galicia:--The Russian retreat develops into a rout. July 22 (Sun.) Siam declares war on Germany and Austria. Resignation of the Russian Premier, Prince Lvoff; he is succeeded by M. Kerenski. The French repulse German attacks on the Chemin-des-Dames but lose ground at some points. Loyal Russian units make a temporary stand near Krevo, east of Vilna. A German aeroplane raid on Harwich and Felixstowe (11 killed). July 23 (Mon.) The Germans occupy Halicz and cross the Sereth south of Tarnopol; the Russians also retreat near Dvinsk and Smorgon; there are wholesale desertions in the Russian Army. In Moldavia the Russians and Roumanians attack in the Susitza and Putna Valleys and capture guns and prisoners. H.M.S. _Otway_ (armed merchant cruiser) is sunk by a submarine in the North Atlantic. July 24 (Tues.) The Austro-Germans recapture Stanislau and Tarnopol. July 25 (Wed.) The Irish Convention meets in Dublin; Sir Horace Plunkett is appointed Chairman. The Russian retreat in Galicia continues. The Russians and Roumanians gain ground in Moldavia. July 26 (Thur.) The Austro-Germans are across the Sereth from Tarnopol to Czortkow; they occupy Kolomea, south of the Dniester. H.M.S. _Ariadne_ (mine layer) is sunk by a submarine in the English Channel (38 lives lost). July 28 (Sat.) The Austro-Germans enter south-western Russia on either side of the frontier town of Husiatyn. The Roumanians still advance in Moldavia. July 29 (Sun.) An increasing artillery bombardment by the British in Flanders. The Russian retreat continues. July 30 (Mon.) The French attack and gain ground south of La Royère, on the Aisne Front. July 31 (Tues.) Great Anglo-French attack in front of Ypres (the Third Battle of Ypres; see Nov. 6): St. Julien, Pilkem, Frezenberg, and other villages are captured by the British; the French force the passage of the Yser Canal and carry Steenstrasse and Bixschoote. Aug. 1 (Wed.) The Germans counter-attack and recapture St. Julien (see Aug. 3). The Russian generals Brussiloff and Dmitrieff resign; General Korniloff is appointed Russian Commander-in-Chief. Aug. 2 (Thur.) The Germans carry British positions on Infantry Hill, east of Monchy. Aug. 3 (Fri.) The British recapture St. Julien (Ypres Front) and the positions lost on Infantry Hill (east of Monchy). The Austro-Germans recapture Czernowitz. Aug. 6 (Mon.) Moldavia:--Roumanian positions are stormed north of Focsani by Mackensen's forces. Aug. 7 (Tues.)