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Chile's General Augusto Pinochet greets compatriots in the streets of Santiago, circa 1973. (Photo by Daniele Darolle/Sygma via Getty Images)

Chile's General Augusto Pinochet greets compatriots in the streets of Santiago, circa 1973. (Photo by Daniele Darolle/Sygma via Getty Images)

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22nd April 1975: General Augusto Pinochet, the President of Chile, with the Argentinian President, Maria Estela Martinez De Peron, at a dinner given in his honour in Buenos Aires. (Photo by Keystone/Getty Images)

22nd April 1975:  General Augusto Pinochet, the President of Chile, with the Argentinian President, Maria Estela Martinez De Peron, at a dinner given in his honour in Buenos Aires.  (Photo by Keystone/Getty Images)

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Chile's General Augusto Pinochet greets compatriots in the streets of Santiago, circa 1973. (Photo by Daniele Darolle/Sygma via Getty Images)

Chile's General Augusto Pinochet greets compatriots in the streets of Santiago, circa 1973. (Photo by Daniele Darolle/Sygma via Getty Images)

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General Augusto Pinochet casts his vote during a referendum in Chile in 1980. 67% of the Chilean population have voted for Pinochet's constitution, who will remain in office until 1989. (Photo by Daniele Darolle/Sygma via Getty Images)

General Augusto Pinochet casts his vote during a referendum in Chile in 1980. 67% of the Chilean population have voted for Pinochet's constitution, who will remain in office until 1989. (Photo by Daniele Darolle/Sygma via Getty Images)