Farabundo Martí National Liberation Front

The Farabundo Martí National Liberation Front (Spanish: Frente Farabundo Martí para la Liberación Nacional, abbreviated FMLN) is a Salvadoran left-wing political party and former guerrilla rebel group. The FMLN was established on 10 October 1980 as the merged of four leftist guerrilla groups: the Farabundo Martí Popular Liberation Forces (FPL), the People's Revolutionary Army (ERP), the National Resistance Armed Forces (FARN), and the Armed Liberation Forces/Communist Party of El Salvador (FAL/PCES); the Revolutionary Party of the Central American Workers (PRTC) joined in December 1980.

Source: Wikipedia — Farabundo Martí National Liberation Front (CC BY-SA 4.0)