The 1st Middle Siberian Corps (Russian: 1-й Средне-Сибирский армейский корпус) was one of the main formations of the

Siberian Army The Siberian Army (russian: Сибирская армия, Sibirskaya Armiya) was an anti-Bolshevik army during the Russian Civil War, which fought from June 1918 – July 1919 in Siberia – Ural Region. Background After the Bolsheviks' se ...

during the

Russian Civil War {{Infobox military conflict , conflict = Russian Civil War , partof = the Russian Revolution and the aftermath of World War I , image = , caption = Clockwise from top left: {{flatlist, *Soldiers ...

. It was created on June 12, 1918, under the command of Lieutenant Colonel

Anatoly Pepelyayev Anatoly Nikolayevich Pepelyayev (russian: Анатолий Николаевич Пепеляев; , in Tomsk – 14 January 1938) was a White Russian general who led the Siberian armies of Admiral Kolchak during the Russian Civil War. His ...

History

The force joined the

Czechoslovak Legion The Czechoslovak Legion (Czech language, Czech: ''Československé legie''; Slovak language, Slovak: ''Československé légie'') were volunteer armed forces composed predominantly of Czechs and Slovaks fighting on the side of the Allies of World ...

of Captain

Radola Gajda Radola Gajda, born as Rudolf Geidl (14 February 1892, Kotor, Kingdom of Dalmatia, Austria-Hungary – 15 April 1948, Prague, Czechoslovakia), was a Czech military commander and politician. Early years Geidl's father was an officer in the Aust ...

and, moving from the center of Siberia to Trans-Baikal in the East, cleared that territory from Bolsheviks. After that, they were replenished and deployed as the Middle-Siberian Corps (from August 26 1918) and 1st Middle Siberian Corps (from September 30 1918). The Corps was divided into 3 divisions. Parts of the corps made the famous March to Perm, inflicting a crushing defeat on the Red 3rd Army in Winter 1918–1919. The Corps was then a part of the North Ural Front and the Yekaterinburg group of the

. The corps took part in the

Spring Offensive of the Russian Army (1919) The Spring Offensive of the Russian Army was an offensive of the White Army of the White movement led by Alexander Kolchak on the Eastern Front of the Russian Civil War, between March and April 1919. Background At the end of 1918, the situatio ...

and

Counteroffensive of the Eastern Front The Eastern Front counteroffensive (April–July 1919) was an episode of the Russian Civil War. Background In 1917, the Russian Bolshevik Party staged a revolution against Alexander Kerensky's Provisional Government that led to a civil war. D ...

in which it suffered heavy losses. In October only a quarter of the Corps remained, after which it was withdrawn to the rear for the transformation, but was decomposed and finally lost its fighting efficiency. By January 6, 1920, only the 3rd Barnaul Siberian Rifle Regiment, which had safely retreated to the

Transbaikal Transbaikal, Trans-Baikal, Transbaikalia ( rus, Забайка́лье, r=Zabaykalye, p=zəbɐjˈkalʲjɪ), or Dauria (, ''Dauriya'') is a mountainous region to the east of or "beyond" (trans-) Lake Baikal in Far Eastern Russia. The steppe and ...

, remained from the whole Corps. Efforts by general A. N. Pepelyaev and major-General E. K. Vishnevskiy to revive the Corps in the East come to nothing.

Commanders of the Corps

* Lieutenant Colonel (then Lieutenant-General)

(June 13 1918 − May 1919), * Major-General Bronislaw Zinevich (May 1919 − October 1919).

Sources

Наступление армий Колчака весной 1919 года
{{White Armies and White Fleets of the Russian Civil War Military units and formations of White Russia (Russian Civil War)