Republican People's Party, which plays an important role in laying the institutional foundations of the political culture in Turkey, has brought many political parties and politicians from the constitution, also, it has played an important role in shapingpoliticallife in Turkey. The study of the institutional history of the Republican People’s party representing the initials in Turkey in many Ways also carries clues in understanding the transformation of political life in Turkey. There is no doubt that the best way to understand the transformation in the RPP is to resolve the party congresses. The accusations of detecting problems in the party after the election defeats and the erosion of charisma in Weberyan sense under the leadership of the party led to internal unrest in the RPP. The XI th Congress of the CHP, which is the subject of the research, differs from the previous congresses in terms of being the first example of the fact that the party experienced the legitimacy crisis after the 1954 elections and the fact that the schism phenomenon would become dominant in the RRP in the following years. In addition to periodicals and memorial works that illuminate the period, it is aimed to contribute to a more healthy understanding of the period through the resolution of the internal party crisis seen in the RRP, based on the reports published by the party..