Sept. 10—Russians invade Silesia and menace Breslau; Austro-German forces defeated at Lublin; Serbs cross the Save.
Sept. 11—Serbs take Semlin; Montenegrins take Folcha and join with Serbs in march on Serajevo; Germans defeat invading Finland force at Lyck; Polish miners at Berdzin wreck German train by concealing explosive in fuel; Russians occupy Suczawa and Hatna; Russians fight on Austrian and German border; Austrians resume offensive near Lemberg.
Sept. 12—Russians defeat Austrians in battle near Tomaszow; German attack in East Prussia checked; successes of Serbs against Austrians continue.
Sept. 13—Russian victories west and northwest of Lemberg; Russo-Serb Army plans advance on Budapest; Montenegrins will invest Bosnia.
Sept. 14—Austrians rally for battle before Przemsyl; Russians cross the San; Germans defeated near Miawa and send reinforcements to Memel.
Sept. 15—Russians occupy Grodek; Austrians hemmed in between Rivers San and Vistula; Germans report defeat of Russian Armies of Vina and Grodno; Russians say Germans have been driven back across frontier; Serbs invade Hungary.
Sept. 16—Austrians still retreat in Galicia; Servians continue advance into Bosnia; Montenegrins defeat Austrians near Koulilovo.
Sept. 17—Austrians flee before Russians toward Cracow; Gen. Rennekampf blocks flanking movement by Germans; Servian artillery repulses Austrian warships that shell Semlin and Belgrade.
Sept. 18—Russians take Siniava and Sambor; Austrian rear guard thrown back beyond the San; prisoners and ammunition captured near Memirov; Germans advance against Russians in Suwalki Province; Russians halt offensive German movement and plan new invasion of East Poland; Germans retreat from Kielce Province to rally Austrians defeated at Krasnik; Russians enter Kazeshow.
Sept. 20—Russians attack Jaroslaw and Przemysl and seize Sambor and Kresheshov; Gen. Auffenberg's army separated from Gen. Dankl's; Germans defeated near Sandomierz; Gen. Rennenkampf checks German advance in East Prussia; Servians defeat Austrians near Novi-Bazar.