The Communist Party of Czechoslovakia (KPC), established in 1921, was one of the most powerful parties around the world during the interwar period. Although a high degree of fluctuation was typical for its membership, its electoral support was quite stable. The article is concerned with a critical interpretation of the following questions: First: The rhetoric of communist propaganda emphasized the symbolic youth of the collectivist new world order proposed by the Marxist-Leninist ideology, and the party organizational tactics were aimed towards the recruitment of young members.