The former dictator , who ruled from 1971 to 1973 , was best known for allowing Juan Domingo Peron , Argentina 's famed populist leader , to return to Argentina after 17 years of forced exile .
<response> The former dictator , who ruled from 1971 to 1973 , was best known for allowing <person>Juan Domingo Peron</person> , <location>Argentina</location> 's famed populist leader , to return to <location>Argentina</location> after 17 years of forced exile . </response>