1980 Upper Voltan coup d'état up against the President, which caused the 1966 Upper Voltan coup d'état, in which Lieutenant Colonel Sangoulé Lamizana took power. This marked the beginning of a long era of military rule in Upper Volta and later Burkina Faso. Lamizana would go on to rule the country as a military dictator until the Upper Voltan presidential election in 1978, when he was elected as the leader of a civilian regime. During the 1970s, the Lamizana government faced many problems, among them continued opposition from the trade unions, the rise of new political opposition groups, a strong Sahel drought, increasing desertification, and
Lake Volta Dam holds back both the White Volta River and the Black Volta River, which formerly converged where the middle of the reservoir now lies, to form the single Volta River. The present Volta River flows from the outlets of the dam's powerhouse and spillways to the Atlantic Ocean in southern Ghana. The main islands within the lake are Dodi, Dwarf, and Kporve. Digya National Park lies on part of the lake's western shore. The lake is formed by the Akosombo Dam, which was originally conceived by the geologist Albert Ernest Kitson in 1915, but whose construction only began in 1961