List of State Leaders in 1970 - South America

South America

• Argentina
  • President -
    1. Juan Carlos Onganía, President of Argentina (1966–1970)
    2. Pedro Alberto José Gnavi, Chairman of the Junta of Commanders of Argentina (1970)
    3. Roberto M. Levingston, President of Argentina (1970–1971)
• Bolivia
  • President -
    1. Alfredo Ovando Candía, President of Bolivia (1969–1970)
    2. Junta of Commanders of the Armed Forces, Head of State of Bolivia (1970)
    3. Juan José Torres, President of Bolivia (1970–1971)
• Brazil
  • President - Emílio Garrastazú Médici, President of Brazil (1969–1974)
• Chile
  • President -
    1. Eduardo Frei Montalva, President of Chile (1964–1970)
    2. Salvador Allende, President of Chile (1970–1973)
• Colombia
  • President -
    1. Carlos Lleras Restrepo, President of Colombia (1966–1970)
    2. Misael Pastrana Borrero, President of Colombia (1970–1974)
• Ecuador
  • President - José María Velasco Ibarra, President of Ecuador (1968–1972)
• Guyana
  • Guyana was superseded by the Republic of Guyana on 23 February 1970
  • Monarch - Elizabeth II, Queen of Guyana (1966–1970)
  • Governor-General - Sir Edward Luckhoo, Governor-General of Guyana (1969–1970)
  • President -
    1. Sir Edward Luckhoo, Acting President of Guyana (1970)
    2. Arthur Chung, President of Guyana (1970–1980)
  • Prime Minister - Forbes Burnham, Prime Minister of Guyana (1964–1980)
• Paraguay
  • President - Alfredo Stroessner, President of Paraguay (1954–1989)
• Peru
  • Head of State - Juan Velasco Alvarado, President of the Revolutionary Government of the Armed Forces of Peru (1968–1975)
  • Prime Minister - Ernesto Montagne Sánchez, President of the Council of Ministers of Peru (1968–1973)
• Uruguay
  • President - Jorge Pacheco Areco, President of Uruguay (1967–1972)
• Venezuela
  • President - Rafael Caldera, President of Venezuela (1969–1974)