History of Mozambique 10 years of sporadic warfare and Portugal's return to democracy through a leftist military coup in Lisbon, which replaced Portugal's Estado Novo regime with a military junta (the Carnation Revolution of April 1974), FRELIMO took control of the territory. Within a year, most of the 250,000 Portuguese in Mozambique had left—some expelled by the government of the nearly independent territory, some fleeing in fear—and Mozambique became independent from Portugal on 25 June 1975. A law had been passed on the initiative of the then relatively unknown Armando Guebuza of the FRELIMO party ordering the Portuguese to leave the country in
People's Republic of Mozambique preceding independence, FRELIMO consolidated its presence in the south and in urban areas. This was done through the work of militant groups ("grupos dinamizadores" or "dynamic groups"), which also included Mozambicans of Portuguese origin. The period prior to independence was also marked by the settling of scores and public trials against members FRELIMO who had strayed from the FRELIMO party line. "Traitors," "reactionaries," and real or suspected agents of the U.S. Central Intelligence Agency or PIDE, the Portuguese security agency. The Central Committee of FRELIMO adopted the constitution of the People's Republic of Mozambique on June 20, which established that