From June to August 1916 the Russian forces
launched their last major offensive of the war
The Brusilov Offensive. initially it was a success,
even prompting Romania toenter the war on
Russias side, yet by August it had run out of
momentum. The Russian forces had to retreat
from the Baltic sea to the Black sea. (17 h 32 m, 14 jun 1916 año – 3 h 45 m, 31 agos 1916 año)
