Máximo Marcelo Torcuato de Alvear Pacheco, was an Argentine lawyer and politician, who served as president of Argentina between from 1922 to 1928.

Lieutenant General José Félix Benito Uriburu y Uriburu was the President of the Provisional Government of Argentina, ousting the successor to President Hipólito Yrigoyen by means of a military coup and declaring himself president. From 6 September 1930 to 20 February 1932, he controlled both the Executive and Legislative branches of government. As "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.