Bug–Narew offensive

July 13 – August 24, 1915

Result German victory

German forces broke through fortified Russian lines and pushed the Russian army about 300 km east, capturing many prisoners. The Germans were not able to destroy the Russian armies.

German Empire

Russian Empire

Strength and losses

Strength
536,006
Killed
24,726
Wounded
75,181
Missing
4,491
Strength
763,118
Killed
37,987
Wounded
163,606
Missing
233,619