The party was one of five constituents of the Farabundo Martí National Liberation Front during the Salvadoran Civil War.

In June 1985 an attack against U.S. Marines was carried out by the Comandos Urbanos Mardoqueno Cruz, killing 13 people (including four civilians).

[1] During 1993, after the signing of peace treaty, the PRTC lost several of its leaders in political assassinations, such as Francisco Veliz and Mario López.

[1] The 1994 fifth party congress decided to remove Jovel and Dias from the PRTC leadership, since they had been included in the Political Commission of FMLN.

Manuel Melgar was elected as the new General Secretary and Aída Herrara as Joint Coordinator.