Battle of Tannenberg
August 26–30, 1914 · Tannenberg, East Prussia
Result German victory
German victory over the Russian Second Army in East Prussia in the first month of the First World War. The Russian army was encircled and largely destroyed, and its commander, Alexander Samsonov, took his own life.
Allies
Central Powers
Other
Units
1st Army (Russian Empire)
2nd Army (Russian Empire)
13th Army Corps (Russian Empire)
15th Army Corps (Russian Empire)
1st Army Corps (Russian Empire)
20th Army Corps (Russian Empire)
23rd Army Corps (Russian Empire)
2nd Army Corps (Russian Empire)
3rd Army Corps (Russian Empire)
4th Army Corps (Russian Empire)
6th Army Corps (Russian Empire)
2nd Infantry Division (Russian Empire)
226th Zemlyansky Infantry Regiment







