The party was founded in Bucharest on July 15,1928, as a leftist splinter group of the Social Democratic Party, formed by a minority that opposed the cooperation with the National Peasant Party.
The party was founded in Bucharest on July 15,1928, as a leftist splinter group of the Social Democratic Party. A leftist splinter group of the Social Democratic Party was formed by a minority. This minority opposed the cooperation with the National Peasant Party.