[1][2] Originally it functioned as a unified left-wing youth organization, over time the Communist Party of Czechoslovakia gained more influence.

[2] SČM had two deputies in the Provisional National Assembly, Hájek and Maleček.

[3] As of 1946 SČM claimed to have 7,200 local branches and around half a million members.

[4] The organization published the daily newspaper Mladá fronta.

[6] After 1948 Czechoslovak coup d'état, the communists planned to merge all youth groups fully under one organization.