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
Symi the peculiarly colorful neoclassical mansions covering the slopes near the main city date from that period. Although Symiots took part in the Greek War of Independence of 1821–1829, it was left out of the new Greek state when its borders were drawn up and so remained under Ottoman rule. The island, along with the rest of the Dodecanese, changed hands several times in the 20th century: in 1912 the Dodecanese declared independence from the Ottomans as the Federation of the Dodecanese Islands, though they were almost immediately occupied by Italy. The island was formally ceded to Italy in 1923, and