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 with completion in 1965. Because of the formation of Lake Volta, about 78,000 people were relocated to new towns and villages, along with 200,000 animals belonging to them. About 120 buildings were destroyed, not including small residences, as over of territory were flooded. The Akosombo Dam provides electricity for much of the country, as well as for export to Togo, Benin, and nearby countries, to earn foreign exchange value. Lake Volta is also important for transportation, providing a waterway for both ferries and cargo watercraft. Since the huge lake lies in a tropical area, the water remains warm year-round naturally.