United States. Central Intelligence Agency, The 1995 CIA World Factbook
“ Republica de Angola local short form: Angola former: People's Republic of Angola Digraph: AO Type: transitional government nominally a multiparty democracy with a strong presidential system Capital: Luanda Administrative divisions: 18 provinces (provincias, singular - provincia) ; Bengo, Benguela, Bie, Cabinda, Cuando Cubango, Cuanza Norte, Cuanza Sul, Cunene, Huambo, Huila, Luanda, Lunda Norte, Lunda Sul, Malanje, Moxico, Namibe, Uige, Zaire Independence: 11 November 1975 (from Portugal) National holiday: Independence Day, 11 November (1975) Constitution: 11 November 1975 ”
