World War I

The Last Half

Events of 1917 would prove decisive in ending the war, although their effects would not fully be felt until 1918. The Entente's naval blockade of Germany began to have serious impact on morale and productivity on the German home-front. In response, in February 1917, the German General Staff (OHL) were able to convince Chancellor Theobald von Bethmann-Hollweg to declare unrestricted submarine warfare, with the goal of starving Britain out of the war. Tonnage sunk rose above 500,000 tonnes per month from February until July, peaking at 860,000 tonnes in April. After July, the newly introduced convoy system was extremely effective in neutralizing the U-boat threat. Britain was safe from the threat of starvation.

Related Topics:
Naval blockade - OHL - Theobald von Bethmann-Hollweg - Unrestricted submarine warfare - Tonnage - Convoy - U-boat

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The decisive victory of Germany at the Battle of Caporetto led to the Entente decision at the Rapallo Conference to form the Supreme Allied Council at Versailles to co-ordinate plans and action. Previously British Empire and French armies had operated under separate command systems.

Related Topics:
Battle of Caporetto - Rapallo Conference - Supreme Allied Council - Versailles

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In December, the Central Powers signed an Armistice with Russia, thereby releasing troops from the eastern front for use in the west. Ironically, German troop transfers could have been greater if their territorial acquisitions had not been so dramatic. With both German reinforcements and new American troops pouring into the Western Front, the final outcome of the war was to be decided in that front. The Central Powers knew that they could not win a protracted war now that American forces were certain to be arriving in increasing numbers, but held high hopes for a rapid offensive in the West, using their reinforced troops and new infantry tactics. Furthermore, rulers of both the Central Powers and the Entente became more fearful of the threat first raised by Ivan Bloch in 1899, that protracted industrialized war threatened social collapse and revolution throughout Europe. Both sides urgently sought a decisive, rapid victory on the Western Front as they were both fearful of collapse or stalemate.

Related Topics:
Central Powers - Ivan Bloch - 1899 - Revolution

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Entry of the United States

A long stretch of American isolationism left the United States reluctant to involve itself with what was popularly conceived as a European dispute.

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Early in 1917 Germany resumed its policy of unrestricted submarine warfare. This, combined with public indignation over the Zimmermann telegram, led to a final break of relations with the Central Powers. President Woodrow Wilson requested that the U.S. Congress declare war on Germany, which it did on April 6, 1917 (see: ' on Wikisource). The Senate approved the war resolution 82-6, the House with 373-50. Wilson hoped a separate peace could be achieved with Austria-Hungary, however when it kept its loyalty to Germany, the US declared war on Austria-Hungary in December 1917.

Related Topics:
Unrestricted submarine warfare - Zimmermann telegram - President - Woodrow Wilson - U.S. Congress - April 6 - 1917 - Wikisource - Austria-Hungary - Germany - December

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Although the American contribution to the war was important, particularly in terms of the threat posed by increased US presence in Europe, the United States was never formally a member of the Entente, but an "Associated Power". Significant numbers of American troops only arrived in Europe in the summer of 1918.

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The United States Army and the National Guard had mobilized in 1916 to pursue the Mexican "bandit" Pancho Villa, which helped speed up the mobilization. The United States Navy was able to send a battleship group to Scapa Flow to join with the British Grand Fleet, a number of destroyers to Queenstown, Ireland and several divisions of submarines to the Azores and Bantry Bay, Ireland to help guard convoys. However, it would be some time before the United States forces would be able to contribute significant manpower to the Western and Italian fronts.

Related Topics:
United States Army - National Guard - 1916 - Pancho Villa - United States Navy - Battleship - Scapa Flow - Destroyers - Queenstown - Ireland - Submarines - Azores - Bantry Bay - Convoy

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The British and French insisted that the United States emphasize sending infantry to reinforce the line. Throughout the war, the American forces were short of their own artillery, aviation, and engineering units. However, General John J. Pershing, American Expeditionary Force commander, resisted breaking up American units and using them as reinforcements for British Empire and French units, as suggested by the Allies. Pershing also maintained the use of frontal assaults, which had been discarded by that time by British Empire and French commanders. As a result the American Expeditionary Force suffered a very high rate of casualties in its operations in the summer and fall of 1918.

Related Topics:
Infantry - Artillery - John J. Pershing - American Expeditionary Force

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German Spring Offensive of 1918

Ludendorff made plans for a 1918 general offensive along the Western Front. The Spring Offensive sought to divide the British Empire and French armies in a series of feints and advances. The German leadership hoped to strike a decisive blow before the United States forces could be deployed. Before the offensives even began, Ludendorff may have made the mistake of leaving the elite eighth army in Russia and sending over only a small portion of the forces from the east to aid the offensive in the west.

Related Topics:
1918 - Spring Offensive

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Operation Michael opened on 21 March, 1918 with an attack against British Empire forces, towards the rail junction at Amiens. It was Ludendorff's intention to split the British Empire and French armies at this point. German forces achieved an unprecedented advance of 60km. For the first time since 1914, manoeuvre had returned to the battlefield.

Related Topics:
21 March - 1918 - Amiens

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British Empire and French trenches were defeated using novel infiltration tactics. To this time, attacks had been characterized by long artillery bombardments and continuous-front mass assaults. However, in the Spring Offensive the German Army used artillery briefly and infiltrated small groups of infantry at weak points, attacking command and logistics areas and surrounding points of serious resistance. These isolated positions were then destroyed by more heavily armed infantry. German success relied greatly on this tactic.

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The frontline had now moved to within 120 kilometres of Paris. Three super-heavy Krupp railway guns advanced to fire 183 shells on Paris, causing many Parisians to flee the city. The initial stages of the offensive were so successful that Wilhelm II declared March 24 a national holiday. Many Germans thought victory to be close. However, supply shortages and attrition caused the German offensive to halt. German casualties between March and April 1918 were 270,000.

Related Topics:
Krupp - Railway gun - Wilhelm II

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United States divisions, which Pershing sought to field as an independent force, were assigned to depleted French and British Empire commands on 28 March. A supreme command of Entente forces was created at the Doullers conference in which British Field Marshal Douglas Haig handed control of his forces over to Ferdinand Foch.

Related Topics:
28 March - Douglas Haig - Ferdinand Foch

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Following Operation Michael, Germany launched Operation Georgette to the north against the Channel ports. This was halted with less significant territorial gains. Operations Blucher and Yorck were then conducted by the German Army to the south, broadly towards Paris. Operation Marne was then launched on 15 July as an attempt to encircle Reims, beginning the Second Battle of the Marne. The resulting Entente counter attack marked the first successful Entente's offensive of the war. By July 20, 1918, the Germans were at their Kaiserschlacht starting lines. Following the last phase, the German Army never again held the initiative.

Related Topics:
Operation Michael - Channel - 15 July - Reims - Second Battle of the Marne

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Meanwhile, Germany was crumbling internally as well. Anti-war marches were a frequent occurrence and morale within the army was at low levels. Industrial output had fallen 53% from 1913.

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On August 8, 1918, the predicted counter-offensive occurred. It involved 414 tanks of the Mark IV and Mark V type, and 120,000 men. The Entente forces had advanced twelve kilometres into German held territory in just seven hours. Erich Ludendorff referred to this day as "the Black Day of the German army".

Related Topics:
Tank - Mark IV - Erich Ludendorff

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Entente's victory

However, after a few days the offensive had slowed down— British Empire units had encountered problems with all but seven of their 414 tanks. On 15 August 1918, Haig called an end to the offensive and began to plan for an offensive in Albert. That offensive came on August 21. Some 130,000 United States troops were involved, along with soldiers from British Third and Fourth Armies. The offensive was an overwhelming success. The German Second Army had been pushed back over a 55 kilometre front. The town of Bapaume was captured on August 29 and by September 2, the Germans had been forced back to the Hindenburg Line.

Related Topics:
15 August - August 21 - Third - Fourth - German Second Army - Bapaume - August 29 - September 2 - Hindenburg Line

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The attempt to take the Hindenburg Line occurred on September 26 (known as the Meuse-Argonne Offensive): 260,000 American soldiers went "over the top" towards the Hindenburg Line. All divisions were successful in capturing their initial objectives, except the 79th division of the AEF. They met stiff resistance at Montfaucon and were unable to progress. This failure allowed the Germans to recover and regroup. Montfaucon was captured on 27 September; however, failure to take it the day before proved to be one of the most costly mistakes of the entire campaign.

Related Topics:
September 26 - Meuse-Argonne Offensive - AEF - Montfaucon - 27 September

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By the start of October it was evident that things were not going according to plan for the Germans. Many tanks were once again breaking down, and those that were actually operable were rendered useless due to tank commanders finding the terrain impossible to navigate. Regardless of this, Ludendorff had decided by October 1 that Germany had two ways out—total annihilation or an armistice. He recommended the latter to senior figures at a summit in Spa, Belgium on that very same day. Pershing continued to pound the exhausted and bewildered Germans without relent for all of October along the Meuse-Argonne front. This would continue until the end of the war.

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Meanwhile, news of Germany's impending defeat had spread throughout the German Armed forces. The threat of mutiny was rife. Naval commander Admiral Scheer and Ludendorff decided to launch a last ditch attempt to restore the "valour" of the German navy. He knew that any such action would be vetoed by the government of Max von Baden, so he made the decision not to inform him. Via word of mouth or otherwise, word of the impending assault reached sailors at Kiel. Many of the sailors took unofficial leave—refusing to be part of an offensive which they believed to be nothing more than a suicide bid. It was mostly Ludendorff who took the fall for this—the Kaiser dismissing him on 26 October.

Related Topics:
Scheer - Max von Baden - 26 October

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However, since the end of September 1918, Ludendorff had been concocting a plan of his own. Although he was a traditionalist conservative, he decided to try and incite a political revolution by introducing new reforms that "democratized" Germany; also satisfying the monarchists as the Kaiser's reign would continue unabridged. He believed that democratization would show the German people that the government was prepared to change, thus reducing the chance of a socialist style revolt as was seen in Russia in 1917. However, it is the belief of some historians that by doing so Ludendorff had an ulterior motive. His reforms would hand more power over to the members of the Reichstag—particularly the ruling parties, at this time the centre party (under Matthias Erzberger), the liberals, and the social democrats. Therefore, with Ludendorff handing more power to these parties they would have the authority to request an armistice. With 5,989,758 Germans casualties (4,216,058 wounded, 1,773,700 killed), they did just that. Soon after that, Ludendorff had a dramatic change of heart—and began to claim that the very parties who he handed power to had lost Germany the war. These politicians had "stabbed Germany in the back". Prince Max von Baden (SDP) was put in charge. Negotiations for a peace were immediately put into place on his appointment. Also, he was torn between the idea of a constitutional monarchy or complete abolition. However, the matter was taken out of his hands by Philipp Scheidemann, who on November 9, 1918, declared Germany a Republic from a balcony atop the Reichstag. Von Baden announced that the Kaiser was to abdicate—before the Kaiser had himself made up his mind. Imperial Germany had died, and a new Germany had been born: the Weimar Republic.

Related Topics:
Reichstag - Matthias Erzberger - Philipp Scheidemann - November 9 - Weimar Republic

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