Dodecanese islands were occupied by the French and British, but Rhodes remained under Italian occupation. In 1915, the French also occupied Kastellorizo. Following the war, the Tittoni–Venizelos agreement, signed on July 29, 1919, called for the smaller islands to join with Greece, while Italy maintained control of Rhodes. The treaty further outlined an exchange where Italy would receive Antalya for southwest Anatolia. The Greek defeat in the Greco-Turkish War and the foundation of modern Turkey prevented the exchange. Italy formally annexed the Dodecanese as the "Possedimenti Italiani dell'Egeo" under the terms of the Treaty of Lausanne. Mussolini embarked on a program
Greece in the Balkan Wars promises of the Young Turks caused much enthusiasm both inside the Empire and in the Balkan states, but they gradually adopted a policy of forced "Ottomanisation", which, coupled with the parallel rise of Albanian nationalism, threatened the interests of the other Balkan states. Italy too, in search of a colonial empire, took advantage of the turmoil in the Ottoman Empire, attacking Libya and seizing the Dodecanese islands during the Italo-Turkish War. The Italians promised to cede the Greek-inhabited Dodecanese islands to Greece, but in the end kept them. This aroused indignation in Greece. Coupled with Bulgarian aspirations for Macedonia and