ocr: E1 Salvador was Spanish until - 1821.Part ofthe United Provinces of Central America from 1823-1839,it became independent in 1856. - 1932 Army crushes popular insurrection led - by Farabundo Marti. 1944-1979 Army effectively rules through PCN. 1979 Reformist ofticers overthrow PCN government. Fail to curb rising army-backedpoltical violence. 1981 Leit-wing Farabundo Marti National Liberation Movement FMLN) launches civil war. 1991 UN-brokered DEACLFMINIECOpLEedaT a political party. 1992 Peace achieved.