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Second Greco-Turkish War 1921-1922

State Entry Exit Combat Forces Population Losses
Greece 1919 1922 120000 5100000 30000
Turkey 1919 1922 450000 29000000 20000

The second war occurred after World War I, when the Greeks attempted to extend their territory beyond eastern Thrace (in Europe) and the district of Smyrna (Izmir; in Anatolia). These territories had been assigned to them by the Treaty of Sèvres, Aug. 10, 1920, which was imposed upon the weak Ottoman government. In January 1921 the Greek army, despite its lack of equipment and its unprotected supply lines, launched an offensive in Anatolia against the nationalist Turks, who had defied the Ottoman government and would not recognize its treaty. Although repulsed in April, the Greeks renewed their attack in July and advanced beyond the Afyonkarahisar-Eskisehir railway line toward Ankara. The Turks, however, commanded by the nationalist leader Mustafa Kemal (Kemal Atatürk), defeated them at the Sakarya River (Aug. 24-Sept. 16, 1921). A year later the Turks assumed control of Smyrna (September 1922) and drove the Greeks out of Anatolia. In Greece the war was followed by a successful military coup against the monarchy.

The Treaty of Lausanne, concluded on July 24, 1923, obliged Greece to return eastern Thrace and the islands of Imbros and Tenedos to Turkey, as well as to give up its claim to Smyrna. The two belligerents also agreed to exchange their Greek and Turkish minority populations. 

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Treaty of Lausanne, (1923), final treaty concluding World War I. It was signed by representatives of Turkey (successor to the Ottoman Empire) on one side and by Britain, France, Italy, Japan, Greece, Romania, and the Kingdom of Serbs, Croats, and Slovenes (Yugoslavia) on the other. The treaty was signed at Lausanne, Switz., on July 24, 1923, after a seven-month conference.

The treaty recognized the boundaries of the modern state of Turkey. Turkey made no claim to its former Arab provinces and recognized British possession of Cyprus and Italian possession of the Dodecanese. The Allies dropped their demands of autonomy for Turkish Kurdistan and Turkish cession of territory to Armenia, abandoned claims to spheres of influence in Turkey, and imposed no controls over Turkey's finances or armed forces. The Turkish straits between the Aegean Sea and the Black Sea were declared open to all shipping.

Last Update: December 16, 2000

Armed Conflict Events Database

Armed Conflict Events Data (ACED) is an research project providing independent information about known wars, international disputes, civil wars, rebellions, coups, revolutions, genocides and other violent conflicts. ACED has been online since December 2000. Various partial revisions and modifications have been implemented since then, however, the limitations of the this format hamper further development. During 2005, the decision was made to radically restructure the available conflict information into a database. The new Armed Conflict Events Database (ACEDb) will substantially increase the utility of available conflict data for students of military history. As well, it will offer expanded opportunities to add and edit records of conflict. Existing research material will be maintained in its present form but no revisions are planned. More news about the development of ACEDb may be found at News About the Armed Conflict Events Database. Feedback is welcome.