The decline of the Ottoman Empire played a significant but indirect role in the outbreak of the First World War by exacerbating existing tensions among the Great Powers, particularly in the Balkans and the Middle East. While the empire’s disintegration was not the primary cause of the conflict, its weakening state created a power vacuum that intensified imperial rivalries, destabilised key regions, and influenced the alliance system that ultimately led to war. The Ottoman Empire’s inability to maintain its territorial integrity allowed competing powers such as Russia, Austria-Hungary, and Germany to pursue conflicting strategic interests, heightening the risk of a broader European conflict. The empire’s eventual alignment with the Central Powers further expanded the war’s geographical scope, ensuring that its decline had lasting repercussions on the conflict’s trajectory.
The Balkan Wars of 1912–1913 demonstrated the extent to which Ottoman weakness had destabilised southeastern Europe. The empire’s loss of nearly all its European territories to a coalition of Balkan states, including Serbia, Bulgaria, and Greece, reshaped the regional balance of power. Austria-Hungary, fearing the rise of Slavic nationalism, sought to contain Serbia, which had emerged as a formidable regional actor. The assassination of Archduke Franz Ferdinand in 1914 by a Bosnian Serb nationalist was a direct consequence of these tensions, illustrating how Ottoman decline had indirectly fuelled the conditions for war. MacMillan argues that the Balkan crises were a rehearsal for the wider conflict, as the Great Powers were drawn into regional disputes that mirrored their own rivalries. The Ottoman retreat from Europe left a contested space where Austro-Hungarian and Russian ambitions clashed, with neither power willing to concede dominance. The Eastern Question, a diplomatic dilemma concerning the fate of Ottoman territories, had preoccupied European statesmen since the 19th century. By 1914, the empire’s continued fragility made it a focal point of imperial competition. Russia’s long-standing ambition to control the Bosporus and Dardanelles straits threatened British and French interests in the Mediterranean, leading to a strategic deadlock. Anderson notes that Germany’s support for the Ottomans, exemplified by the Berlin-Baghdad Railway project, was intended to challenge British dominance in the Middle East, further straining Anglo-German relations. The empire’s decline thus became entangled with broader geopolitical struggles, as each power sought to exploit its vulnerability for strategic gain. The inability to resolve these competing claims peacefully contributed to the rigid alliance systems that turned a regional crisis into a global war. The Ottoman decision to join the Central Powers in November 1914 extended the war beyond Europe, drawing British and French forces into campaigns in Gallipoli, Mesopotamia, and Palestine. This expansion of the conflict was a direct consequence of the empire’s alignment with Germany, which sought to divert Allied resources from the Western Front. Fromkin contends that the Ottoman entry prolonged the war by opening new fronts and complicating Allied logistics, demonstrating how its decline had reshaped the conflict’s dynamics. The empire’s collapse also set the stage for postwar territorial disputes, particularly in the Middle East, where the Sykes-Picot Agreement and the Balfour Declaration sowed the seeds of future instability. Thus whilst the decline of the Ottoman Empire was not the sole cause of the First World War, it significantly contributed to its outbreak by creating a power vacuum that heightened imperial rivalries, destabilising the Balkans, and expanding the conflict’s geographical scope. The empire’s disintegration exacerbated existing tensions among the Great Powers, ensuring that its fate was inextricably linked to the broader causes of the war. The Ottoman decline thus served as both a symptom and a catalyst of the systemic instability that led to the catastrophic conflict of 1914.
The Ottoman Empire’s economic and military decline by the early 20th century made it increasingly dependent on foreign powers, particularly Germany, which sought to use this relationship to challenge British and French dominance in the Near East. The German-Ottoman alliance, formalised through military missions and infrastructure projects like the Berlin-Baghdad Railway, represented a direct challenge to British imperial interests in India and the Persian Gulf. Strachan argues that Germany’s cultivation of Ottoman ties was part of a deliberate strategy to encircle Britain, exacerbating pre-war tensions between the Entente and Central Powers. The railway project, which promised German economic penetration into Mesopotamia, alarmed British policymakers who viewed it as a threat to their control of key trade routes. This economic imperialism reflected how Ottoman weakness became a battleground for European rivalries, with each power seeking to exploit the empire’s resources and strategic position. The British occupation of Egypt in 1882 and subsequent control over the Suez Canal had already demonstrated how Ottoman decline invited foreign intervention, creating flashpoints that could escalate into wider conflicts. The Ottoman military’s reliance on German advisors, particularly following the 1908 Young Turk Revolution, further entangled the empire in European power politics. Liman von Sanders’ appointment to command the Ottoman First Army in 1913 provoked a diplomatic crisis with Russia, which viewed German influence over the Straits as an existential threat. McMeekin demonstrates how this incident brought Europe to the brink of war a year before the July Crisis, illustrating how Ottoman dependency on foreign powers amplified existing tensions. The empire’s failure to modernise its armed forces without external assistance made it a pawn in the arms race between the Great Powers, with Germany and Britain competing to supply warships and training missions. This military dependence mirrored the broader pattern of Ottoman disintegration, where external powers increasingly dictated terms to Constantinople, eroding its sovereignty and making armed conflict more likely. The confiscation of two Ottoman dreadnoughts by Britain in 1914, including the Sultan Osman I, contributed to the empire’s decision to join Germany, showing how military weakness directly influenced its path to war. The Ottoman government’s internal divisions and reform failures exacerbated its vulnerability to external pressures. The Committee of Union and Progress, which seized power in 1913, pursued a contradictory policy of centralisation while increasingly aligning with Germany. Zürcher argues that the Young Turks’ nationalist agenda alienated minority populations and undermined attempts at constitutional reform, leaving the empire ill-prepared to withstand the pressures of 1914. The Armenian reforms negotiated with Russia in 1914, which promised autonomy for Ottoman Armenians, were perceived in Constantinople as a prelude to partition, driving the CUP closer to Germany. This internal instability made the empire susceptible to manipulation by external powers, as competing factions sought foreign backing. The Ottoman leadership’s fatalistic decision for war in 1914 reflected not just strategic calculation but the accumulated consequences of decades of decline, where external powers increasingly dictated terms to a weakening state. The empire’s internal crises thus became inseparable from the broader European tensions that led to war.
The Ottoman Empire’s territorial losses in the decades preceding 1914 created a series of regional crises that directly contributed to the tense international atmosphere preceding the war. The Italian seizure of Libya in 1911-1912 demonstrated the empire’s inability to defend its remaining possessions, emboldening Balkan states to form the Balkan League and attack Ottoman Europe in 1912. The resulting Treaty of London in 1913 saw the empire lose nearly all its European territories, creating a power vacuum that Austria-Hungary and Russia rushed to fill. Clark emphasises how these successive defeats undermined the Ottoman state’s prestige while simultaneously removing a longstanding buffer between the Great Powers. The Balkan Wars particularly destabilised the region by creating new states with competing territorial claims, while leaving unresolved questions about Great Power spheres of influence. Austria-Hungary’s annexation of Bosnia in 1908, previously an Ottoman territory under Austro-Hungarian administration, had already shown how Ottoman weakness invited Habsburg expansionism at Russia’s expense. This pattern of territorial disintegration made the Balkans Europe’s powder keg, where the assassination of Franz Ferdinand would ignite the wider conflict. The Ottoman retreat from Europe also had significant demographic consequences that heightened pre-war tensions. The mass expulsion of Muslims from lost territories created a refugee crisis in Anatolia, while simultaneously strengthening nationalist movements in remaining Ottoman lands. McCarthy’s analysis of population transfers demonstrates how these demographic upheavals radicalised both Ottoman leaders and Balkan nationalists, making compromise increasingly difficult. The ethnic cleansing during the Balkan Wars hardened attitudes in Constantinople, where the Committee of Union and Progress became convinced that only military strength could ensure the empire’s survival. This mentality contributed to the Ottoman government’s reckless decision-making in 1914, including its secret alliance with Germany signed on 2 August. The demographic consequences of territorial losses thus created a feedback loop of nationalism and militarism that mirrored developments across Europe, with all parties becoming less willing to seek diplomatic solutions to emerging crises. As David Heath, professor of History at the Bavarian International School emphasises, the strategic importance of the Ottoman Straits made the empire’s decline a matter of existential concern for Russia, thereby increasing the likelihood of Great Power conflict. Russian dependence on grain exports through the Bosporus, which accounted for nearly half of all exports by 1914, meant that any threat to Ottoman neutrality jeopardised the Russian economy. Reynolds shows how this economic vulnerability shaped Russian policy, with St. Petersburg increasingly willing to risk war to prevent German domination of Constantinople. The British naval mission to the Ottomans in 1913, led by Admiral Limpus, similarly reflected how control of the Straits had become an Anglo-Russian priority, directly challenging German influence. These competing interests transformed the Ottoman capital into one of the most dangerous flashpoints of the pre-war period, where any incident could trigger Great Power intervention. The German battlecruiser Goeben’s escape to Constantinople in August 1914 and its subsequent transfer to the Ottoman navy exemplified how the empire’s weakness allowed peripheral events to escalate into major crises.
The Ottoman Empire's diplomatic isolation in the years preceding 1914 significantly amplified the effects of its decline on the European balance of power. Having lost the protection of Britain through the breakdown of their traditional understanding in the 1880s, and facing increasing Russian hostility, Constantinople found itself with few reliable allies beyond an increasingly assertive Germany. Aksakal demonstrates how this isolation forced Ottoman statesmen into a reactive foreign policy, where opportunities for independent action narrowed dramatically. The infamous "golden cage" of German financial and military support, while providing temporary relief, ultimately constrained Ottoman options when crisis came in July 1914. This diplomatic marginalisation meant that Ottoman decisions increasingly occurred within frameworks established by more powerful states, removing a potential moderating influence on Great Power relations. The empire's inability to serve as an effective mediator or buffer state, roles it had played at various points in the 19th century, removed one of the potential safeguards against general war in Europe. The economic dimensions of Ottoman decline created additional tensions between the Great Powers that fed into pre-war antagonisms. Foreign debt, which had reached £140 million by 1914, gave European creditors substantial leverage over Ottoman policy while simultaneously creating rivalries between French, British and German financial interests. Bloxham's research into the Ottoman Public Debt Administration reveals how this economic imperialism became another arena for Great Power competition, with each nation's financiers seeking special concessions. The German-dominated Baghdad Railway project, the British-controlled tobacco monopoly, and French dominance in Ottoman bonds all represented economic footholds that their respective governments were determined to protect. This financial penetration meant that ordinary commercial disputes could quickly escalate into diplomatic incidents, as occurred during the 1913-14 negotiations over the Baghdad Railway terminus in Basra. The interlocking of economic and strategic interests ensured that Ottoman decline would have ramifications far beyond its borders, tying the empire's fate ever more tightly to Great Power rivalries. The ideological consequences of Ottoman decline similarly contributed to the destabilisation of pre-war Europe. The empire's gradual retreat from its European provinces fuelled competing nationalist ideologies across the continent, from pan-Slavism in Russia to racialised imperialism in Germany. Kayalı's examination of Ottomanism's failure shows how the collapse of this multi-ethnic ideal influenced contemporary thinking about empire and nationality. In Austria-Hungary particularly, the Ottoman example loomed large as both warning and inspiration - a cautionary tale about imperial disintegration, but also proof that nationalist movements could succeed against ancient dynasties. This ideological fallout from Ottoman decline affected decision-making in 1914, as statesmen across Europe grappled with questions of imperial legitimacy and national self-determination. The Young Turk revolution of 1908 and its aftermath demonstrated how constitutional reforms could fail to halt imperial decline, a lesson not lost on observers in Vienna or St. Petersburg. These intellectual currents, flowing from Ottoman experiences, subtly shaped the mental frameworks within which the July Crisis would be interpreted and addressed.
The Ottoman Empire's military weaknesses and strategic miscalculations in the critical months of 1914 played an underappreciated role in the final escalation to global war. When the German battlecruiser Goeben and light cruiser Breslau sought refuge in Ottoman waters on 10 August 1914, the subsequent fictitious "purchase" of these ships by the Ottoman navy - complete with German crews wearing fezzes - represented more than just a colorful episode. Erickson argues this carefully orchestrated provocation, masterminded by German Admiral Souchon, deliberately drew the Ottomans into the conflict at a moment when their neutrality might have stabilized the eastern Mediterranean. The 29 October 1914 bombardment of Russian Black Sea ports by these same ships, conducted without full authorization from Constantinople, made Ottoman entry into the war inevitable. This episode reveals how the empire's military dependence and institutional disarray created opportunities for more powerful states to manipulate it into serving their strategic needs, regardless of Ottoman interests or readiness for war. The Ottoman mobilization of August 1914 significantly altered the strategic calculus of all belligerents at a critical moment. While the empire initially declared armed neutrality, its partial mobilization tied down over 100,000 Russian troops in the Caucasus at a time when they were desperately needed on the Eastern Front. Rogan's analysis of Ottoman military archives demonstrates how this unintended consequence of precautionary measures contributed to Russia's disastrous defeats at Tannenberg and the Masurian Lakes. The mere possibility of Ottoman intervention forced Britain to maintain substantial naval forces in the eastern Mediterranean, weakening the Grand Fleet's numerical advantage over Germany in the North Sea. These strategic ripple effects, stemming from Ottoman military preparations rather than actual combat operations, show how the empire's decline created uncertainties that exacerbated the early stages of the war. The Ottoman situation exemplified how weaker powers could unintentionally influence Great Power strategies through their very vulnerability. The Ottoman government's decision for war in late October 1914 reflected the accumulated pressures of decades of decline as much as immediate strategic considerations. Deringil's study of Ottoman decision-making reveals a leadership trapped between German demands, Russian threats, and British provocations, with dwindling room for maneuver. The abolition of the Capitulations on 9 September 1914, while symbolically asserting Ottoman sovereignty, actually accelerated the path to war by angering the Entente powers. The closure of the Straits to Allied shipping in late September similarly demonstrated how Ottoman attempts to assert independence ironically made the empire more dependent on Germany. These paradoxical decisions, born of long-term weakness rather than strength, ultimately contributed to extending the war's scope and duration. The Ottoman entry forced Britain to open new fronts in Mesopotamia and Palestine, diverted Russian resources from the Eastern Front, and cut Allied access to Russian grain exports - all consequences that stemmed fundamentally from the empire's decades-long decline and its final desperate attempts to reverse it through military action.
In conclusion, the decline of the Ottoman Empire contributed substantially to the outbreak and expansion of the First World War through multiple interconnected channels. By creating a power vacuum in the Balkans, it turned the region into Europe's most dangerous flashpoint. Through its economic and military dependence, it became both a pawn and prize in Great Power rivalries. Its strategic position made control of Ottoman territory vital to multiple belligerents' war plans. And its final, miscalculated decision for war transformed a European conflict into a truly global struggle. While not the sole cause of the war, the Ottoman Empire's prolonged disintegration shaped the strategic environment that made war more likely, the crisis that triggered it, and the form it ultimately took. The empire's decline removed stabilizing forces from international relations while adding new sources of tension, demonstrating how the weakness of major states can be as dangerous to peace as the ambitions of strong ones.