Wirtz Dam Granite Shoals until 1965 when it was renamed for another advocate of the LCRA, U.S. President Lyndon B. Johnson. Witz Dam and Lake LBJ are located due west of Lake Marble Falls and the city of Marble Falls, Texas. Wirtz Dam Wirtz Dam (formerly Granite Shoals Dam) was constructed from 1949 to 1951 to provide hydroelectric power and to form Lake Lyndon B. Johnson (formerly Lake Granite Shoals), one of the Texas Highland Lakes. Lake LBJ ‒ as it is more commonly referred to ‒ provides cooling water for the Lower Colorado River Authority's Thomas C. Ferguson Power Plant along
State President of South Africa in 1961, most non-South African sources had referred to the State President as simply the "President". The leader of the African National Congress, Nelson Mandela, was sworn in as President on 10 May 1994. There is one living former South African State President: State President of South Africa The State President of the Republic of South Africa () was the head of state of South Africa from 1961 to 1994. The office was established when the country became a republic in 1961, and Queen Elizabeth II ceased to be monarch of South Africa. The position of Governor-General of South Africa