July 29 (Thur.)
The Russian line is broken on the Lublin-Cholm railway.
The end of the Italian offensive on the Isonzo (see July 2); it results in a valuable advance and the capture of many prisoners by the Italians.
July 30 (Fri.)
A successful German attack with liquid fire (first use of this) at Hooge; a British counter-attack fails (see Aug. 9).
The Austro-Germans occupy Lublin. The Russians retire rapidly.
A British submarine sinks a German transport in the Baltic.
July 31 (Sat.)
The Austro-Germans occupy Cholm.