jun 4, 1916 - - 4 June to 20 Sept. 1916 - Brusilov Offensive was launched which was an attack by Russians on Austro - Hungarian lines that resulted in total number of A - H casualties to reach 1M and forced Germans to move collect troops from the Western front to support them
Added to timeline:
Date:
jun 4, 1916
Now
~ 109 years ago