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| Ottoman Army of Islam | |
|---|---|
| Unit name | Army of Islam |
| Native name | İslam Ordusu |
| Active | June 1918 – September 1918 |
| Country | Azerbaijan Democratic Republic (aligned), Ottoman Empire |
| Allegiance | Azerbaijan Democratic Republic, Ottoman Empire |
| Branch | Ottoman Army |
| Type | Expeditionary force |
| Size | ~14,000–20,000 |
| Garrison | Baku |
| Notable commanders | Nuri Killigil, Enver Pasha |
Ottoman Army of Islam was an expeditionary force raised in 1918 by the Ottoman Empire and led by Nuri Killigil under the political direction of Enver Pasha to intervene in the Caucasus Campaign and secure Baku and the oilfields during the closing months of World War I. It operated in the chaotic post-Russian Revolution environment, interacting with the Azerbaijan Democratic Republic, anti-Bolshevik factions, and various local and international actors. The formation, deployments, and aftermath influenced the Armistice of Mudros, the emergence of Soviet Azerbaijan, and debates in Turkish historiography and Azerbaijani historiography.
The force emerged amid strategic competition over Transcaucasia, contested by Ottoman Empire, Imperial Germany, British Empire, Russian Republic, and later Bolshevik Russia. After the Treaty of Brest-Litovsk, the Ottomans advanced into South Caucasus territories, encountering nationalist projects like the Azerbaijan Democratic Republic, First Republic of Armenia, and Democratic Republic of Georgia. The decision to create an expeditionary force reflected directives from Istanbul elites such as Enver Pasha, Talat Pasha, and Cemal Pasha as well as frontier commanders like Kâzım Karabekir Pasha, seeking control of Baku oil fields and railway lines linking Batumi and Tiflis. Recruitment drew from units of the 3rd Army (Ottoman Empire), volunteers from Turkish National Movement sympathizers, and ethnic contingents including Azeris, Dagestanis, and Chechens.
Command was vested in commander Nuri, later styled Nuri Killigil, with operational oversight from Enver Pasha in Istanbul. The force comprised infantry, cavalry, artillery, and limited logistical detachments reconstituted from cadres of the 25th Division (Ottoman Empire), elements of the 5th Caucasian Division, and volunteer detachments such as the Caucasian Native Cavalry Division veterans. Units were organized into regimental and brigade formations, supported by armored trains raiding along the Caspian Sea coast and coordination with local militia from Baku Commune opponents and Azerbaijani formations under leaders like Fatali Khan Khoyski and Nasib bey Yusifbeyli. Supply lines ran through Erzurum, Kars, and the Batumi port, while diplomatic cover invoked pan-Turkist rhetoric from intellectuals tied to Committee of Union and Progress networks.
Operations peaked during the summer of 1918 when the force advanced toward Baku to confront the multinational Baku Commune and the Centrocaspian Dictatorship, which had solicited support from British Indian Army units including the Dunsterforce expedition led by General Lionel Dunsterville. The resulting offensive culminated in the Battle of Baku (September 1918), where Ottoman-led units, Azerbaijani nationalists, and allied volunteers engaged Armenian irregulars, Bolshevik Red Guards, and British forces. Earlier actions included clashes at Ganja, Shamakhy, and along the Kura River. The campaign intersected with naval operations by the Royal Navy in the Caspian Sea, and contrasted with parallel Ottoman advances in Kurdistan and Mesopotamia theaters. Following the Armistice of Mudros, Ottoman forces withdrew under pressure from Allied occupation and regional nationalist shifts.
Nuri Killigil served as operational commander; strategic patrons included Enver Pasha and Deputy Grand Vizier Tevfik Pasha sympathizers. Field officers and staff encompassed figures from the Ottoman General Staff and veterans from the Gallipoli Campaign and Caucasus Campaign such as Ibrahim Bey Usubov-linked Azerbaijani collaborators and commanders like Kavaklı Mustafa Bey. Political liaison roles involved Azerbaijani statesmen Mammad Amin Rasulzade, Fatali Khan Khoyski, and military organizers like Javad Khan Shirvansky; international opponents included British commanders William Thomson and Dunsterville. Intelligence and propaganda drew on networks associated with the Committee of Union and Progress and pan-Turkist activists including Ziya Gökalp-influenced cadres.
The expeditionary endeavor reflected both Ottoman state objectives and Azerbaijani requests for assistance, formalized through agreements brokered by envoys and military missions in Ganja and Baku. Relations were complex: the Azerbaijan Democratic Republic sought military backing against Bolshevik and Armenian forces while attempting to preserve sovereignty; the Ottoman command pursued broader pan-Turkic integration and resource access to Baku oil. Tensions arose over command autonomy, requisitioning of resources, and the legal status of troops amid shifting diplomatic contexts involving Allied Powers and the Transcaucasian Commissariat legacy.
Casualty figures remain contested: Ottoman and Azerbaijani rolls cite several thousand killed and wounded, while opposing estimates attribute higher noncombatant casualties in the ethnic conflagrations around Baku and surrounding districts. Material losses included destroyed infrastructure in Guba, damaged oil installations in Bibi-Heybat, and disrupted railway links. The army's short campaign left enduring legacies: influence on the formation of the Turkish republican military elite, incorporation of veterans into postwar paramilitary networks, impact on Azerbaijani statehood narratives, and contested memories in Armenian historiography and Soviet accounts.
Scholarly debate centers on intentions (liberation versus imperialist objectives), responsibility for civilian massacres reported in Baku and neighboring areas, and interpretations within Turkish historiography, Azerbaijani historiography, Armenian historiography, and Russian/Soviet historiography. Primary sources include military dispatches from the Ottoman General Staff, diplomatic correspondence with British Foreign Office and Ottoman Ministry of War, and contemporary press in Istanbul, Baku, Tiflis, and Batumi. Recent scholarship in Ottoman studies, Caucasus studies, and World War I studies reexamines archival material from the National Archives (UK), Turkish General Staff Archives, and Azerbaijan National Archives to reassess contested episodes like the September Days (1918) and alleged reprisals. The episode remains central to debates on pan-Turkism, post-imperial transitions, and the legacy of the Committee of Union and Progress.
Category:Military units and formations of the Ottoman Empire Category:History of Azerbaijan Category:World War I in the Caucasus