José Félix Uriburu

Lieutenant General José Félix Benito Uriburu (July 20, 1868 – April 29, 1932) was the first de facto President of Argentina, ousting president Hipólito Yrigoyen by means of a military coup and declaring himself president. From September 6, 1930, to February 20, 1932, he controlled both the Executive and Legislative branches of government. Under the title of "President of the Provisional Government," he acted as the de facto Head of State of Argentina. His was the first of a series of successful coups d'état and unconstitutional governments that came to power in 1943, 1955, 1962, 1966, and 1976.