 Ramba uchiverenga ndima ino - Achiri muduku, akatanga kuenda kukoreji yevakuru vakuru muMilan uye akazoenda kunodzidza kuComo achibva azotamira kuVenice uye akazoenda kuSiena. Achitanga basa rake rezvematongerwe enyika, muna 1802 akawana nzvimbo yake yekutanga yepamutemo kuNapoleonic Italian Republic semubatsiri munyori kuConsulta yeHurumende. Basa rake rakapera kamwe kamwe, zvisinei, muna 1804 paakasarudza kuzvipira muGrande Armée muItaly mubazi rezvombo, achigamuchira kurumbidzwa paruzhinji nemutungamiri wenyika, Francesco Melzi dEril, pakuva murume wekutanga kupinda. Nokuda kwechinangwa ichi, akatanga kutora makosi ekugadzirira muzvikoro zvechiuto zveLa Fère neStrasbourg asati ava lieutenant. Kubva muna 1805 kusvika muna 1809, akatora chikamu muHondo yeChishanu yeMubatanidzwa kurwisa Humambo hweAustria, kunyanya muhondo yeUlm, Hondo yeAusterlitz, Hondo yeRaab, uye muhondo yeWagram, mushure mezvo akawana kukwidziridzwa kuva kaputeni uye Legion of Honour munhandare. 