[1] It emerged from the 'Majority' faction of the Marxist-Leninist-Maoist Tendency, a group that had broken away from the Communist Party of Colombia (Marxist-Leninist) in the mid-1970s.
[3] Apart from its armed struggle PRT maintained an open mass front, the trade union organization Corriente de Integración Sindical.
On June 20, 1985, PRT took part in, along with ¡A Luchar!, organizing a national general strike against the policies of the Belisario Betancur government.
At the time the National Guerrilla Coordination was born, a coalition consisting of ELN, Popular Liberation Army (EPL), M-19, MIR-PL, Armed Movement Quintín Lame (MAQL), Commando Ricardo Franco (RF) and PRT.
On January 25, 1991, a final peace treaty was signed in Don Gabriel, Ovejas municipality, Sucre, between the government and PRT.