The party was established towards the end of 1949 by a group of 71 MPs led by Yun Chi-young.Haruhiro Fukui (1985) Political parties of Asia and the Pacific, Greenwood Press, p672 In the 1950 parliamentary elections it received 9.7% of the vote and won 24 seats, emerging as the joint-largest party with the Democratic Nationalist Party. In the next elections in 1954 it was reduced to only three seats.
