 Nyorai kupfuurira kweiyi ndima - Muna 1826 Juan Manuel de Luca akagadzwa Postmaster General nehurumende yeRivadavia, pasi pokutarisirwa kwekomisheni yakawedzerwa. Pasinei nokuparadzwa kwehurumende iyoyo, uye hondo yevagari vemo, basa raposvo rakangovhiringidzwa zvishoma uye Luca akaramba ari pabasa rake kusvikira muna 1858 paakasiya basa nokuda kwezera rake noutano. Paiva pasi paLuca kuti mitemo yakadzama yakagadzirwa; zvibvumirano, motokari, migwagwa, uye kuwanda kwakagadzwa. 