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Brusilov Offensive (Брусиловский прорыв)
Part of the Eastern Front during World War I
Russian general Aleksei Brusilov, 1916
Date June 4 – September 20, 1916 Location Kingdom of Galicia and Lodomeria Result Russian victory
Belligerents
Russian Empire	Austria-Hungary German Empire Ottoman Empire
Commanders and leaders
Aleksei Brusilov Alexey Kaledin Vladimir Sakharov Dmitry Shcherbachev	Conrad von Hötzendorf Joseph Ferdinand Eduard von Böhm Alexander von Linsingen Felix von Bothmer Yakup Pasha
Strength
40+ Infantry divisions (573,000 men) 15 cavalry divisions (60,000 men)	39 infantry divisions (437,000 men) 10 Cavalry divisions (30,000 men)
Casualties and losses
440,000 dead or wounded 60,000 prisoners 500,000 total casualties	Austria-Hungary 567,000 dead and wounded 408,000 prisoners 975,000 all casualties German Empire 350,000 all casualties 1,325,000 total casualties

The Brusilov Offensive (Russian: Брусиловский прорыв Brusilovskiĭ proryv, lit. "Brusilov's breakthrough"), also known as the "June Advance", of June-September 1916 was the Russian Empire's greatest feat of arms during World War I, and among the most lethal offensives in world history. Historian Graydon Tunstall called the Brusilov Offensive the worst crisis of World War I for Austria-Hungary and the Triple Entente's greatest victory, but it came at a tremendous loss of life.

The offensive involved a major Russian attack against the armies of the Central Powers on the Eastern Front, launched on June 4, 1916, and lasting until late September. It took place in an area of present-day western Ukraine, in the general vicinity of the towns of Lviv, Kovel, and Lutsk. The offensive was named after the commander in charge of the Southwestern Front of the Imperial Russian Army, General Aleksei Brusilov.

Background

Under the terms of the Chantilly Agreement of December 1915, Russia, France, Britain and Italy committed to simultaneous attacks against the Central Powers in the summer of 1916. Russia felt obliged to lend troops to fight in France and Salonika (against her own wishes), and to attack on the Eastern Front, in the hope of obtaining munitions from Britain and France.

The Russians also initiated the disastrous Lake Naroch Offensive in the Vilno area, during which the Germans suffered only one-fifth as many casualties as the Russians. This offensive took place at French request, in the hope that the Germans would transfer more units to the East after their attack on Verdun.

General Aleksei Brusilov presented his plan to the Stavka, the Russian high command, proposing a massive offensive by his Southwestern Front against the Austro-Hungarian forces in Galicia. Brusilov's plan aimed to take some of the pressure off French and British armies in France and the Italian Army along the Isonzo Front and, if possible, to knock Austria-Hungary out of the war. As the Austrian army was heavily engaged in Italy, the Russian army enjoyed a significant numerical advantage on the Galician front.

Prelude

Plan

Gen. Alexei Evert, commander of the Russian Western Army Group, favored a defensive strategy and was opposed to Brusilov's offensive. Tsar Nicholas II had taken personal command of the army in September 1915. Evert was a strong supporter of Nicholas and the Romanovs, but the Tsar approved Brusilov's plan. The objectives were to be the cities of Kovel and Lviv, which had been lost to the Central Powers the previous year. Although Stavka had approved Brusilov's plan, his request for supporting offensives by neighboring fronts was denied.

Offensive preparations

Mounting pressure from the western Allies caused the Russians to hurry their preparations. Brusilov amassed four armies totaling 40 infantry divisions and 15 cavalry divisions. He faced 39 Austrian infantry divisions and 10 cavalry divisions, formed in a row of three defensive lines, although later German reinforcements were brought up. Brusilov, knowing he would not receive significant reinforcements, moved his reserves up to the front line. He used them to dig entrenchments about 300 by 90 metres (328 yd × 98 yd) along the front line. These provided shelter for the troops and hindered observation by the Austrians. The Russians secretly crept to within 91 metres (100 yd) of the Austrian lines and at some points as close as 69 metres (75 yd). Brusilov prepared for a surprise assault along 480 kilometres (300 mi) of front. The Stavka urged Brusilov to considerably shorten his attacking front to allow for a much heavier concentration of Russian troops. Brusilov insisted on his plan and the Stavka relented.

Breakthrough

On June 4 the Russians opened the offensive with a massive, accurate but brief artillery barrage against the Austro-Hungarian lines, with the key factor of this effective bombardment being its brevity and accuracy. This was in contrast to the customary, protracted barrages at the time that gave the defenders time to bring up reserves and evacuate forward trenches, while damaging the battlefield so badly that it was hard for attackers to advance. The initial attack was successful and the Austro-Hungarian lines were broken, enabling three of Brusilov's four armies to advance on a wide front (see: Battle of Kostiuchnówka).

The success of the breakthrough was helped in large part by Brusilov's innovation of shock troops to attack weak points along the Austrian lines to effect a breakthrough, which the main Russian army could then exploit. Brusilov's tactical innovations laid the foundation for the German infiltration tactics used later in the Western Front.

Battle

On June 8 forces of the Southwestern Front took Lutsk. The Austrian commander, Archduke Josef Ferdinand, barely managed to escape the city before the Russians entered, a testament to the speed of the Russian advance. By now the Austrians were in full retreat and the Russians had taken over 200,000 prisoners. Brusilov's forces were becoming overextended and he made it clear that further success of the operation depended on Evert launching his part of the offensive. Evert, however, continued to delay, which gave the German high command time to send reinforcements to the Eastern Front.

In a meeting held on the same day Lutsk fell, German Chief of Staff Erich von Falkenhayn persuaded his Austrian counterpart Franz Conrad von Hötzendorf to pull troops away from the Italian Front to counter the Russians in Galicia. Field Marshal Paul von Hindenburg, Germany's commander in the East (Oberkommando-Ost), was again able to capitalize on good railroads to bring German reinforcements to the front.

Finally, on June 18 a weak and poorly prepared offensive commenced under Evert. On July 24 Alexander von Linsingen counterattacked the Russians south of Kovel and temporarily checked them. On July 28 Brusilov resumed his own offensive, and although his armies were short on supplies he reached the Carpathian Mountains by September 20. The Russian high command started transferring troops from Evert's front to reinforce Brusilov, a transfer Brusilov strongly opposed because more troops only served to clutter his front.

International reactions

On 18 June 1916, an article entitled "Hero of the Hour in Russia, Described Intimately by One Who Knows Him Well" by Brusilov's brother-in-law, Charles Johnson, appeared in the New York Times.

Maps

• 
  Blue and red lines: Eastern front 1916. Brusilov offensive takes place in lower right corner

• 
  Left: Plan of May. Right: Fontline at the end of Brusilov offensive in September 1916.

Aftermath

Russian infantry

Brusilov's operation achieved its original goal of forcing Germany to halt its attack on Verdun and transfer considerable forces to the East. It also broke the back of the Austro-Hungarian army, which suffered the majority of the casualties. Afterward, the Austro-Hungarian army increasingly had to rely on the support of the German army for its military successes. On the other hand, the German army did not suffer much from the operation and retained most of its offensive power afterward.

The early success of the offensive convinced Romania to enter the war on the side of the Entente, though that turned out to be a bad decision since it led to the failure of the 1916 campaign. Russian casualties were considerable, numbering up to half a million, but enemy casualties were almost triple. The Brusilov Offensive is listed among the most lethal offensives in world history.

The Brusilov Offensive was the high point of the Russian effort during World War I, and was a manifestation of good leadership and planning on the part of the Imperial Russian Army coupled with great skill of the lower ranks. The Brusilov offensive commanded by Brusilov himself went very well, but the overall campaign, for which Brusilov's part was only supposed to be a distraction, because of Evert's failures, became tremendously costly for the Imperial army, and after the offensive, it was no longer able to launch another on the same scale. Many historians contend that the casualties that the Russian army suffered in this campaign contributed significantly to its collapse the following year.

The operation was marked by a considerable improvement in the quality of Russian tactics. Brusilov used smaller, specialized units to attack weak points in the Austro-Hungarian trench lines and blow open holes for the rest of the army to advance into. These were a remarkable departure from the human wave attacks that had dominated the strategy of all the major armies until that point during World War I. Evert used conventional tactics that were to prove costly and indecisive, thereby costing Russia its chance for a victory in 1916.

The irony was that other Russian commanders did not realize the potential of the tactics that Brusilov had devised. Similar tactics had also been used on the Western Front, most notably at Verdun earlier in the year, and would henceforth be used to an even greater degree by the French and Germans - who utilized "storm troopers" to great effect in the 1918 offensive - and slightly later the British, although given the higher force-space ratio in the West, much greater concentration of artillery fire was needed to make progress.

Breakthrough tactics were later to play a large role in the early German blitzkrieg offensives of World War II and the later attacks by the Soviet Union and the Western Allies to defeat Germany, and continued until the Korean War and the First Indochina War. This helped to end the era of mass trench warfare in all but a few nations, most of them localized in Africa.

References

Bibliography

• Washburn, Stanley. The Russian offensive, being the third volume of "Field notes from the Russian front," embracing the period from June 5th to Sept. 1st, 1916
• Liddell Hart, B.H. The Real War: 1914–18 (1930), pp. 224–227.
• Schindler J. "Steamrollered in Galicia: The Austro-Hungarian Army and the Brusilov Offensive, 1916", War in History, Vol. 10, No. 1. (2003), pp. 27–59.
• Stone, David (2015). The Russian Army in the Great War: The Eastern Front, 1914-1917. Lawrence: University Press of Kansas. ISBN 9780700620951.
• Stone, Norman: The Eastern Front 1914–1917. Penguin Books Ltd., London 1998, ISBN 0-14-026725-5
• Tucker, Spencer The Great War: 1914–18 (1998) ISBN 978-0-253-21171-2
• Sergei Sergeyev-Tsensky, Brusilov's Break-Through: a Novel of the First World War, translated into English by Helen Altschuler, Hutchinson & Co, London, 1945.
• B. P. Utkin Brusilovskij proryv (2001) Template:Ru icon
• Операция русского Юго-Западного фронта летом 1916 года Template:Ru icon
• Keegan, John (2000). The First World War. Toronto: Vintage Canada. ISBN 0-676-97224-1.
• Jukes, Geoffrey (2003). The First World War (I); The Eastern Front 1914-1918. Minneapolis: Osprey Publishing. ISBN 0-415-96841-0.
• Neiberg, Michael; Jordan, David (2003). History of World War I; The Eastern Front 1914-1920. London: Amber Books. ISBN 0-415-96841-0.

External links

• Primary Documents: Alexei Brusilov on the Brusilov Offensive, June 1916
• 4 June 1916 - The Brusilov Offensive on Trenches on the Web
• http://www.historyofwar.org/articles/battles_kovel_stanislav.html
• Map of Europe during the Brusilov Offensive at omniatlas.com