[3] The group originated around a newspaper called Nuevo Claridad (New Clarity) which was the paper of the youth section of the Spanish Socialist Workers' Party (PSOE) in Alava in June 1976.

[10][better source needed] After a series of discussions and exchanges of documents, a merger was agreed upon by the Revolutionary left along with their co thinkers in Venezuela and Mexico with the Committee for a Worker's International.

[6] The current general secretary of the Spanish School students union is Ana Garcia, who is also a member of Revolutionary Left.

The two organisations have been linked and criticised by the People's Party (Spain)[13] They are in favour of the right to self-determination including independence but fight for a socialist Catalan state as part of voluntary Iberian federation.

[14][15] They are against alliances with pro capitalist parties for independence as it would suppress the voice of the working class who hold the real power for change through mass movements.