The 31st Army Corps was an Army corps in the
Imperial Russian Army
The Imperial Russian Army (russian: Ру́сская импера́торская а́рмия, tr. ) was the armed land force of the Russian Empire, active from around 1721 to the Russian Revolution of 1917. In the early 1850s, the Russian Ar ...
.
Part of
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4th Army: 1914–1915
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13th Army: 1915
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3rd Army: 1915–1916
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Russian Special Army: 1916
References
{{Russian Empire Ground Forces
Corps of the Russian Empire