April 20--Russians repulse vigorous German attack east of Telepotch and Polen; severe fighting for the height near Oravozil is in progress, the Russians reoccupying it by a desperate assault after losing it earlier in the day; 600,000 Austro-German troops are now engaged over an irregular line between the Lupkow and Uzsok Passes. April 21--Austrians repel, after several days' fighting, a strong Russian attack on the extreme wings of the Austrian forces in the wooded mountains near Laborcza and the Ung Valley; Austrians still hold Uzsok Pass; Russians repulse Austrian attack in Western Galicia near Gorlitz; Russians check an Austrian counter-attack against the heights of Polen; the counter-attack of General Litzinger's Bavarian army against Russian left wing in the Carpathian position has now been definitely halted; nevertheless the Russian advance in the Carpathians has now apparently come to a full stop; Russians reoccupy the hill village of Oravtchik. April 22--Russians defeat Austrians in bayonet fighting on the Bukowina front; artillery duels are in progress in Russian Poland and Western Galicia; Austrians repulse Russian attacks on both sides of the Uzsok Pass, taking 1,200 prisoners; Russians check attempted Austrian outflanking movements on the central Carpathian front; in Galicia an Austro-German army, defeated by Russians, is falling back. April 23--Austrians have success in artillery duel in the sector of Nagypolany; Russians gain in the direction of Lutovisk; a strong force of Russian cavalry invades East Prussia near Memel, the seaport at the northern extremity of the province, and is threatening the German left flank; Russians make gains in the region of Telepotch and at Sianka; Austrians repulse several day attacks at points near Uzsok Pass; heavy artillery engagements are being fought in the region of this pass. April 25--Austro-German troops take by storm Ostry Mountain, in the Orava Valley, in the Carpathians, to the south of Koziouwa; the mountain is 3,500 feet high, with precipitous sides, and the Russians believed their fortifications had made it impregnable; this victory gives the Austrians command of the Orava Valley and allows them to advance their lines east of Uzsok Pass eleven miles into Galician territory; Russian artillery repulses a German attack between Kalwaya and Ludwinow in Prussian Poland; heavy fighting continues in the Carpathians in the Uzsok Pass region, the Austrians having brought up fresh units of heavy artillery. April 26--Russian counter-attacks on the height of Ostry are beaten off; Austrians capture twenty-six Russian trenches; Austrians gain ground south of Koziouwa; artillery duel is being fought on the Dniester in Bukowina.