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.
Accession of Turkey to the European Union European Parliament, equal to Germany's. If Turkey were to join the European Union, Istanbul would become the most populous metropolis in the EU. Cyprus was divided when, on 20 July 1974, Turkey invaded and occupied a third of the island in response to an Athens-engineered coup aimed at annexing Cyprus to Greece. Since then, Turkey has refused to acknowledge the Republic of Cyprus (an EU member since 2004) as the sole authority on the island, and recognizes the self-declared Turkish Republic of Northern Cyprus since its establishment in 1983. The Turkish invasion in 1974 and the resulting movement of refugees