Dodecanese relative quiet and prosperity. In 408 BC, the three cities of Rhodes had united to form one state, which built a new capital on the northern end of the island, also named "Rhodes"; this united Rhodes was to dominate the region for the coming millennia. Other islands in the Dodecanese also developed into significant economic and cultural centers; most notably, Kos served as the site of the school of medicine founded by Hippocrates. However, the Peloponnesian War had so weakened the entire Greek civilization's military strength that it lay open to invasion. In 357 BC, the islands were conquered by
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