One-party period of the Republic of Turkey One-party period of the Republic of Turkey The single-party period of the Republic of Turkey began with the formal establishment of the country in 1923. The Republican People's Party (CHP) was the only party between 1923 and 1945, when the National Development Party was established. After winning the first multiparty elections in 1946 by a landslide, the Republican People's Party lost the majority to the Democratic Party in the 1950 elections. During the single-party period, President Mustafa Kemal Atatürk repeatedly requested that opposition parties be established against the Republican People's Party in order to transition into multi-party democracy; in 1930,
Senate of the Republic (Turkey) Republic, or Senate for short. The name Grand National Assembly of Turkey () referred to the entire parliament including both houses. However, the activities of the both houses of the parliament were suspended after the 1980 Turkish coup d'état. Under the 1982 constitution, the Senate was abolished. The Senate was composed of 150 elected members and 15 members appointed by the president. There were also senators known as "natural members", who were the former presidents (including the president of Hatay Republic) and the 22 members of the 1960 coup d'état committee members (). In the first year, the Senate was