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?
Partido por la Victoria del Pueblo: The Partido por la Victoria del Pueblo, also known as the Party for the Victory of the People or People's Victory Party (PVP), is a political organization in Uruguay. Partido por la Victoria del Pueblo:  The Party grew in strength among exiles in Argentina, both in followers and money, with $10 million from the successful ransom for a kidnapped businessman. Partido por la Victoria del Pueblo:  Their planned an guerrilla operation to reclaim its place in Uruguay went awry with the surprise 1976 Argentine coup d'état. 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.
Isabel Perón