 Juan Manuel de Rosas 30 Kurume 1793 14 Kurume 1877, akatumidzwa zita rekuti Mudzoreredzi weMitemo, aive wezvematongerwo enyika weArgentina uye mukuru wemauto akatonga Dunhu reBuenos Aires uye kwenguva pfupi iyo Argentine Confederation. Kunyange zvazvo akaberekerwa mumhuri yakapfuma, Rosas akazvimiririra akaunganidza pfuma yomunhu oga, achiwana nzvimbo huru dzenyika mukuita kudaro. Rosas akanyoresa vashandi vake mumasoja epachivande, sezvakanga zvakajairika kune varidzi venzvimbo dzokumaruwa, uye akapinda mumakakatanwa akatungamirira kuhondo dzakawanda dzomunyika yake. Achikunda muhondo, aine simba, uye aine minda mikuru nemauto ake akavimbika, Rosas akava mutungamiriri wehondo, sezvaizivikanwa vatungamiriri vehondo vomudunhu racho. Pakupedzisira akasvika pachinzvimbo chabhurigadi mukuru, chinzvimbo chepamusoro-soro muuto reArgentina, uye akava mutungamiriri asingapikiswi weFederalist Party. 