Argentinean Presidents from 1960-1970 By mavi22 Mar 30, 1962 José María Guido Period: Oct 12, 1963 to Jun 28, 1966 Arturo Illia Period: Jun 29, 1966 to Jun 8, 1970 Juan Carlos Onganía Period: Jun 18, 1970 to Mar 22, 1971 Roberto Levingston