2nd Army (Russian Empire)

Army · Russian Empire · July 30, 1914 – March 3, 1918

Alexander Samsonov's army, encircled at Tannenberg in 1914, then rebuilt.

August 17 – September 14, 1914 Russian invasion of East Prussia (1914)
August 22, 1914 Invades East Prussia from the south Map
August 28, 1914 Battle of Tannenberg Encircled and destroyed Map
September 29 – October 31, 1914 Battle of the Vistula River
November 18, 1914 – July 31, 1915 Battle of Łódź (1914) Rebuilt; defends Łódź Map
January 31, 1915 Battle of Humin-Bolimów
July 13 – August 24, 1915 Bug–Narew offensive
August 26 – October 2, 1915 Battle of Vilnius (1915)
March 18, 1916 Lake Naroch offensive Attacks at Lake Naroch Map