One-party period of the Republic of Turkey the Liberal Republican Party was established but dissolved by its founder. The Progressive Republican Party had also been established in 1924 by Kazım Karabekir, but was banned after its members' involvement in the 1925 Sheikh Said rebellion. Despite Atatürk's efforts in establishing a self-propagating multi-party system during his presidency, this was only established after his death in 1938. With the establishment of the Republic of Turkey, efforts to modernize the country began. The institutions and constitutions of Western states such as France, Sweden, Italy, and Switzerland were analyzed and adapted according to the needs and characteristics of the Turkish nation.
Population exchange between Greece and Turkey Pomaks, Cham Albanians, Megleno-Romanians, and Dönmeh. The Turks and other Muslims of Western Thrace were exempted from this transfer as were the Greeks of Constantinople (Istanbul) and the Aegean Islands of Imbros (Gökçeada) and Tenedos (Bozcaada). In the event, those Greeks who had temporarily fled these regions, particularly Istanbul, before the entrance of the Turkish army were not permitted to return to their homes by Turkey afterwards. Greece, with a population of just over 5,000,000 people, had to absorb 1,221,489 new citizens from Turkey. The punitive measures carried out by the Republic of Turkey, such as the 1932 parliamentary law