Name the President of Argentina who was overthrown during the 1976 coup d'état, which disrupted a planned guerrilla operation by the PVP of Uruguay which included exiles in Argentina?
1976 Argentine coup d'état The 1976 Argentine coup d'état was a right-wing coup that overthrew Isabel Perón as President of Argentina on 24 March 1976. A military junta was installed to replace her; this was headed by General Jorge Rafael Videla, Admiral Emilio Eduardo Massera and Brigadier-General Orlando Ramón Agosti. The junta took the official name of "National Reorganization Process", and remained in power until December 10, 1983.
Orlando Letelier Marcos Orlando Letelier del Solar (April 13, 1932 – September 21, 1976) was a Chilean economist, Socialist politician and diplomat during the presidency of Salvador Allende. A refugee from the military dictatorship of General Augusto Pinochet, Letelier accepted several academic positions in Washington, D.C. following his exodus from Chile. In 1976, agents of DINA, the Pinochet regime's secret police, assassinated Letelier in Washington via the use of a car bomb. These agents had been working in collaboration with members of the Coordination of United Revolutionary Organizations, a U.S.-sponsored, anti-Fidel Castro, militant group.