Schlieffen Plan (1905–1914)

Schlieffen Plan (1905–1914)
Name	Schlieffen Plan (1905–1914)
Caption	German General Staff campaign map, 1905–1914
Date	1905–1914
Place	Western Front, Eastern Front, Belgium, France
Commanders	Alfred von Schlieffen, Helmuth von Moltke the Younger
Result	Contingency military strategy and mobilization planning

Schlieffen Plan (1905–1914) was a pre–First World War German strategic contingency prepared by the German General Staff, formulated under Alfred von Schlieffen and later modified by Helmuth von Moltke the Younger. The plan sought a decisive campaign against France while containing Russia in the east, anticipating a continental war involving the United Kingdom, Belgium, and other Great Powers. Debates over its intent, execution, and alterations have engaged historians of World War I, military strategy, and European diplomacy.

Background and Origins

The concept emerged amid tensions following the Franco-Prussian War and during crises such as the First Moroccan Crisis and the naval rivalry between Imperial Germany and the United Kingdom. Strategic thinking was shaped by experiences from the Austro-Prussian War, the Franco-Prussian War, and writings by officers in the Prussian Army, with influences from theorists like Carl von Clausewitz and contemporaries in the Russian Empire and French Army. German planners considered the implications of alliances including the Triple Entente and the Triple Alliance and sought to reconcile mobilization timetables with railroad networks like the Bundesbahn.

Development and Drafts (1905–1914)

Drafts dated 1905–1906 attributed to Alfred von Schlieffen emphasized a right-flank sweep via Belgium and Luxembourg to encircle the French Army around Paris. Successive staff studies under Helmuth von Moltke the Younger in 1906–1914 produced variations integrating lessons from exercises involving corps from the Prussian Guards, X Corps (German Empire), and reserve formations. Mobilization tables considered Russian railroad limitations highlighted by observers from the Austro-Hungarian Army and the Russian General Staff. Correspondence and memoranda linked to figures such as Falkenhayn and Rupprecht of Bavaria show debates over tempo, logistics, and the operational depth required to secure a strategic victory.

Strategic Doctrine and Key Provisions

The doctrine combined decisive battle concepts from Napoleon-era maneuver with late-19th-century operational art developed in the German General Staff. Key provisions included rapid mobilization sequences synchronized with railroad timetables, concentration of forces on the right wing, and avoidance of prolonged sieges against fortresses like Liège and Metz when possible. The plan assumed limited intervention from United Kingdom naval forces and predicted constrained Russian mobilization similar to estimates used by the Austro-Hungarian planners. Orders of battle referenced corps strengths akin to those at Battle of Königgrätz and envisioned envelopment similar to operations of the Franco-Prussian War and theories analyzed by scholars of the Second Industrial Revolution.

Implementation Preparations and Exercises

From 1906 to 1914 the German General Staff conducted maneuvers, war games, and railway timetabling with participation from units such as the German Army, Royal Saxon Army, and reserve contingents. Annual maneuvers near Königsberg and around the Rhine tested timetables that involved stations like Cologne and Aachen, while staff rides incorporated lessons from the Siege of Paris (1870–1871) and the Battle of Sedan (1870). Liaison with the Imperial German Navy informed assumptions about British Expeditionary Force reactions and transit constraints across the North Sea. Revisions followed exercises that revealed bottlenecks comparable to those observed in the Russo-Japanese War and reports circulated among figures such as Paul von Hindenburg and Erich Ludendorff.

Criticisms, Revisions, and Alternatives

Critics within the German General Staff and allied militaries—drawing on doctrines from the French Army and the British Army—argued for alternative schemes emphasizing a balanced two-front deployment or a defensive posture in the west while defeating Russia first. Revisions by Helmuth von Moltke the Younger reduced the magnitude of the right wing and altered timetables, provoking debate among contemporaries like Colmar von der Goltz and later commentators including Gerhard Ritter and Terence Zuber. Opponents cited logistical constraints, the implications of violating Belgian neutrality under the Treaty of London (1839), and political repercussions involving King Leopold II and the Belgian government. Alternative plans advocated by elements of the Prussian General Staff invoked lessons from the Second Schleswig War and experiments in combined arms seen in Italian campaigns.

Legacy and Historical Debate

The plan's legacy influenced the opening campaigns of World War I, notably the German invasion of Belgium and the Battle of the Marne, and shaped doctrine for interwar planners in the Reichswehr and later the Wehrmacht. Historians including Barbara Tuchman, Hew Strachan, Gerhard Ritter, Terence Zuber, and Holger Herwig dispute the degree to which the plan determined outcomes versus contingency, officer agency, and political constraints from figures like Kaiser Wilhelm II. Ongoing archival discoveries in Bundesarchiv and analyses by scholars in military history and European history continue to reassess authorship, attribution, and operational feasibility, ensuring the Schlieffen Plan remains central to debates about causation, mobilization, and strategy in the early 20th century.

Category:Military plans Category:World War I