Dec. 30—Germans retreat over the Bzura; Russians advance in South Poland.
Dec. 31—Germans claim to have taken 136,000 prisoners, 100 cannon, and 300 machine guns in Poland since November; reports from Petrograd state that the Germans lost 200,000 men at the Bzura.
Jan. 1—Russians invade Hungary; Germans in Poland move south; Austrian Army split by Russian operations in Carpathian region.
Jan. 2—Germans commence offensive movement against Kielce; Germans fortify captured Polish towns.
Jan. 3—Germans capture Bolimow; German advance on Kielce fails, as well as German advance between Bzura and Rawka Rivers; Russians take thousands of Austrian prisoners and sweep through Bukowina; Germans rush to defend Cracow.
Jan. 4—Russians occupy Suczawa; Cracow again threatened.
Jan. 5—Russians defeat Austrians in Uzsok Pass and prepare to invade Transylvania; Germans renew activities along the Vistula.
Jan. 6—New Russian army to take offensive against Germans at Mlawa; rain is interfering with many field operations; Germans help Austrians check advance against Cracow.
Jan. 7—Mud is hampering Germans.