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2nd Army (Russian Empire)

2nd Army
Active July 1914 – beginning of 1918
Country  Russian Empire
Branch Imperial Russian Army
Type Army
Field HQ
Engagements

World War I

Eastern Front
Tannenberg
Commanders
Notable
commanders
General Alexander Samsonov

The Russian 2nd Army (2-я армия, ) was an army level command of the Imperial Russian Army in World War I. It was formed just prior to the outbreak of hostilities from the units of Warsaw Military District and was mobilized in August 1914. The army was effectively destroyed at Battle of Tannenberg in August 1914. However, it was rebuilt soon thereafter and fought until almost the end of the war.

Contents

  • Organization 1
  • History 2
  • Eastern front 3
    • Battle of Tannenberg 3.1
  • Commanders 4
  • References 5

Organization

The field headquarters of the 2nd Army was formed from the staff of the Warsaw Military District in July 1914. Towards the end of 1917, the staff was based in Slutsk, Belarus. It was dissolved in early 1918.

In the beginning of World War I, the army included the 1st, VI, XIII, XV and XXIII army corps.

Near the end of 1917, the army included:

  • Grenadier Corps
  • IX Army Corps
  • L Army Corps
  • III Siberian Army Corps

History

Prior to the outbreak of war, in which Russia would likely have to face both Germany and Austria-Hungary, the 2nd Army had been intended to be a reserve formation, held back until either of the formations engaged against Germany and Austria-Hungary required reinforcements.

Following the outbreak of war it was mobilised in early August and placed under the command of General Alexander Samsonov. Under pressure from their ally France, who was facing a powerful German invasion force in the west, it was decided that the 2nd Army would join the 1st Army as part of General Yakov Zhilinskiy's Northwestern Front where it would participate in the upcoming invasion of East Prussia. The combination of the 1st and 2nd Armies would have a fatal flaw; Samsonov and Paul von Rennenkampf (commander of the 1st Army) shared an antagonistic and hostile relationship dating back to 1905.[1]

Eastern front

Between 7–9 August 1914 first the 1st and then the 2nd Army crossed the border into East Prussia, meeting little to no resistance. The 1st Army would engage the Germans at the battles of Stallupönen and Gumbinnen while the 2nd Army had remained unengaged, advancing to the south of the 1st Army.

Battle of Tannenberg

Following the failed German counterattack at the Battle of Gumbinnen and the subsequent German withdrawal, the 1st Army did not press on, allowing the 2nd Army to catch up but due to a breakdown in communication (partly due to the animosity of the two commanders) the 2nd Army was not made aware of this and so it continued to march on, a fatal move that would eventually expose the right flank of the 2nd Army. The 2nd Army was also experiencing severe supply shortages and along with the 1st Army a worsening communication situation as both armies had outrun their secure telegraph lines, were short of experienced telegraph operators and lacked cryptographic equipment. The result was that the Russians were now broadcasting their orders on unsecure lines, which were being intercepted and translated by German operators.

The 2nd Army was to continue its advance south of the 1st Army and German 8th Army before swinging north towards its objective of Seeburg, but with little to no effective communication there was little coordination between the two armies. While sluggish due to supply shortages, poor logistics, and misuse of railway lines, the 2nd Army's advance was relatively unopposed until 22 August when it encountered German forces all along its front. A number of successful thrusts were conducted, pushing the Germans back. On 23 August they succeeded in driving the German XX Corps back to a defensive line. A second push against the XX Corps on the 24th failed but the Germans withdrew to avoid being cut off. Samsonov saw this as a perfect opportunity to pursue and cut the XX Corps off and so began moving the 2nd Army in a northwesterly direction, changing his direction of attack and not informing Rennenkampf in the process. Seeing this opportunity and feeling safe on his flanks, he transferred the bulk of his force to the northwest, leaving a single corps, VI Russian Corps, to simultaneously hold the right flank and swing north to the objective of Seeburg and a single corps, I Russian Corps, to hold the left flank.

Unbeknown to Samsonov, the German command, who had been receiving intercepted Russian orders involving troop movements, had already shifted forces to the south to check his advance and when further orders were intercepted with news that he had changed his direction, German forces were able to adjust their positions and threaten the now exposed left and right flanks of the 2nd Army. With no communication between the two Russian armies, unsafe broadcasting of orders and the decision to change his direction of attack, the 2nd Army would find itself outflanked and cut off from mutual support from the 1st Army.

On 26 August the 1st Army approached Königsberg unopposed as the German forces had identified the 2nd Army as a more immediate threat and had withdrawn to the south in order to engage it. The VI Corps, whom Samsonov had left on its own to seize the objective of Seeburg, was met by the German XVII Corps around Seeburg and Bischofstein and was routed, exposing the 2nd Army's right flank and supply lines. Unaware that his right flank was now exposed, Samsonov pressed the 2nd Army on and repeatedly engaged the XX Corps. On the 27th the German I Corps engaged the Russian I Corps on the 2nd Army's left flank and threw it back. Samsonov diverted the Russian XIII Corps, which had been leading the northwestern thrust, to the southwest in an attempt to reinforce the 2nd Army's left flank but the decision came too late and like the right flank, the left flank was now exposed. Late on the 28th Samsonov finally realised the grave situation the 2nd Army was in with both flanks exposed. With the centre also facing critical supply shortages the assault was halted before an order to retreat to the southeast was given. Samsonov then requested that the 1st Army break-off its assault on Königsberg and assist the 2nd Army by covering its retreat.

The order to retreat and the request for assistance came too late to rescue the 2nd Army. The German I Corps had proceeded to move due east after breaking through the 2nd Army's left flank and had met the German XVII Corps that had continued in a southwesterly direction after breaking through the 2nd Army's right flank, cutting off the 2nd Army's route of retreat and pocketing it around Tannenberg. Throughout the 29th German artillery pounded the Tannenberg pocket and at some point on the 29th Samsonov shot himself. The shattered remnants of the 2nd Army surrendered on 30 August with some 90,000 Russian POWs being captured and with them the Russian 2nd Army ceased to exist as an effective unit.

However, not all of its units were destroyed, and the army remained in the line, participating in the First Battle of the Masurian Lakes in early September, 1914. It continued to participate in the fighting on the Eastern Front until the dissolution of the Imperial Russian Army in early 1918. In March 1916 the 2nd Army was responsible for conducting the Lake Naroch Offensive, which was unsuccessful and in which the army suffered heavy losses.

Map showing the operations on the Eastern Front during 1915, showing the Second Army located just to the west of Warsaw at the start of the year, and then just north of Minsk at the end of the year

Commanders

  • 19.07.1914—17.08.1914 — Cavalry General Alexander Vasilyevich Samsonov
  • 23.08.1914—05.12.1914 — Cavalry General Sergei Mikhailovich Scheidemann
  • 05.12.1914—08.04.1917 — Infantry General Vladimir Vasilyevich Smirnov
  • 08.04.1917—12.07.1917 — Lieutenant General Anthony Andreyvich Veselovsky
  • 12.07.1917—07.08.1917 — Infantry General Nikolai Alexandrovich Danilov
  • 07.08.1917—22.08.1917 — Lieutenant General Pyotr Dmitryvich Telezhnikov
  • 22.08.1917—20.11.1917 — Infantry General Nikolai Alexandrovich Danilov
  • 20.11.1917—24.12.1917 — Lieutenant General Aleksei Konstantinovich Baiov
  • 24.12.1917—??? — Officer A. Kiseylov

References

  1. ^ Patrick Murphy (6 March 2006). "The Victories and Defeats of the Russian Army: 1914". MilitaryHistoryOnline.com. Retrieved 7 September 2012. 
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