Dodecanese of Italianization, hoping to make Rhodes a modern transportation hub that would serve as a focal point for the spread of Italian culture in the Levant. The islands were overwhelmingly Greek-speaking, with a Turkish-speaking minority and an even smaller Ladino-speaking Jewish minority. Immigrant Italian speakers were a marginal language community. The Fascist program, in its many attempts to modernize the islands, eradicated malaria, and constructed hospitals, aqueducts, a power plant to provide Rhodes' capital with electric lighting, and established the Dodecanese Cadastre. The main castle of the Knights of St. John was also rebuilt. The concrete-dominated Fascist architectural style detracted
Italian Islands of the Aegean autonomy. Due to the Greek embroilment and defeat in the Greco-Turkish War of 1919–22, these agreements were never implemented. Kastellorizo was temporarily occupied by France in 1915 and came under Italian control in 1921. The Dodecanese islands were formally annexed by Fascist Italy, as the "Possedimenti Italiani dell'Egeo" in 1923. Italian interest in the Dodecanese was rooted in strategic purposes, and the islands were intended to further the Empire's long range imperial policy. The islands of Leros and Patmos were used as bases for the Royal Italian Navy. Starting in 1923, civil governors replaced the military commanders. The Italian politics