The Germans occupy Soissons. The British fight gallant actions at Villers-Cotterets and Néry in 'the Retreat.' East Africa:--The first portion of the Expeditionary Force arrives at Mombasa. Sept. 2 (Wed.) The British reach the north bank of the Marne in 'the Retreat.' The First Battle of Lemberg ends in a heavy defeat of the Austrians by the Russians (see Aug. 31). China:--Japanese troops are landed to attack Tsingtau (Kiao-Chau). Sept. 3 (Thur.) The French Government moves to Bordeaux. The British cross the Marne in 'the Retreat,' and blow up the bridges. Lemberg is occupied by the Russians (see June 22, 1915). H.M.S. _Speedy_, torpedo gunboat, is sunk by a mine off the Humber. Sept. 4 (Fri.) The Germans cross the Marne in force. The Russians advance into the Carpathian passes. Sept. 5 (Sat.) The Franco-British retreat ends; Joffre orders a counter-offensive. The Germans take Rheims and on their right are close to Paris. Heavy fighting on the Ourcq. The British light cruiser _Pathfinder_ is sunk, with serious loss of life, by a German submarine off St. Abb's Head (the first ship to be sunk by a submarine). Sept. 6 (Sun.) The Allied offensive in France begins with the First Battle of the Marne (see Sept. 10). A decisive day in the Battle of Nancy (see Aug. 22 and Sept. 11); German attacks are repulsed. East Prussia:--The Battle of the Masurian Lakes begins (see Sept. 12). In Galicia, the Battle of Grodek begins (see Sept. 13). Sept. 7 (Mon.) Maubeuge surrenders to the Germans (see Aug. 26). The Allies press forward in France. The Germans advance into Russia. Austria begins a second invasion of Serbia (see Sept. 15). The formation of the British Royal Naval Division is announced. Sept. 8 (Tues.) The advance of the Allies in France continues. Von Kluck is now definitely in retreat. H.M.S. _Oceanic_ (armed merchant cruiser) is wrecked and lost off the Shetland Islands. Sept. 9 (Wed.) The decisive day of the Battle of the Marne: the British cross the river and advance north of it; the French carry the Ourcq. Foch makes a decisive move with the 9th French Army. General Botha announces the decision of the South African Government to undertake an expedition against German South-West Africa. Sept. 10 (Thur.) The victory of the Marne is complete (see Sept. 6): the Allies advance rapidly. Poland:--The Austrians are defeated in the Second Battle of Krasnik. The Serbians occupy Semlin (Hungary). The _Emden_ appears in the Bay of Bengal. Sept. 11 (Fri.) The French reoccupy Châlons. The British cross the Ourcq. The Battle of Nancy ends in complete failure by the Germans (see Aug. 22). Australian military and naval forces occupy the Bismarck Archipelago. Sept. 12 (Sat.) The Battle of the Masurian Lakes (see Sept. 6) ends in the defeat and further retreat of the Russians: East Prussia is cleared of the invader. Sept. 13 (Sun.)