Roberto Eduardo Viola was an Argentine military officer who briefly served as president of Argentina from 29 March to 11 December 1981 as a military dictatorship.
Roberto Eduardo Viola was an Argentine military officer who briefly served as president of Argentina from 29 March to 11 December 1981 as a military dictatorship.
Roberto Eduardo Viola was an Argentine military officer who briefly served as president of Argentina from 29 March to 11 December 1981 as a military dictatorship.
