All three had been members of the agrarian Republican Party of Farmers and Peasants before World War II.

In the 1946 elections in Czechoslovakia, the party won as much as 62% of the Slovak votes and 43 of 300 seats in the Czechoslovak Constituent National Assembly.

Following the Communist takeover in the February 1948 coup d'état, the party was disbanded.

Ursíny was imprisoned for several years, while Lettrich fled to the United States and became a leader of the Council of Free Czechoslovakia exile organisation.

Those members who accepted the communist dominance reorganised in March 1948 as the Party of Slovak Revival (Strana slovenskej obrody, SSO), a bloc party within the pro-communist National Front.