Rambai muchinyora ndima ino - Pakudzoka kwake haana kutora chikamu muHondo yeMarengo, uko shamwari yake Desaix yakaurayiwa apo yaiita mupiro unosarudza kukunda. Napoleon, uyo akanga ane chivimbo chikuru mumano ake, pakupedzisira akamukwidziridza kuti ave mukuru wechikamu uye akaronga muchato wake kumunun'una wake Pauline's hanzvadzi-mukadzi Aimée Leclerc, nokudaro achimuita chikamu chemhuri yakakura yaNapoleon, uye akamupa murairo muvarindi ve consular. Pakukwira kwaNapoleon samambo muna 1804, Davout akatumidzwa zita semumwe wevatungamiri vekutanga ve18 veMambo. Davout akanga ari muduku uye asina ruzivo rwomukuru mukuru akasimudzirwa kuva marshal, izvo zvakamupa ruvengo rwevamwe vakuru vakuru mubasa rake rose. Somutungamiriri weIII Corps ye"Grande Armée", Davout akaita mabasa ake makuru. Muhondo yeAusterlitz, mushure mekufamba kwemaawa makumi mana nemasere, III Corps yakatakura kurwisa kwevakabatana. Muhondo yakazotevera yeChipiri Yokubatana
Davout, aine boka rimwe chete, akarwa uye akakunda Hondo yeAuerstädt achipesana nePrussian Army huru, iyo yaive nemauto anopfuura kaviri zvakapetwa (anopfuura 63,000, kuna Davout's 28,000). Wezvenhau François-Guy Hourtoulle anonyora, kuti: "PaJena, Napoleon akakunda muhondo yaakanga asingagoni kurasikirwa nayo. PaAuerstädt, Davout akakunda muhondo yaakanga asingakwanisi kukunda". Somubayiro, Napoleon akabvumira Davout nevarume vake kupinda muBerlin kutanga musi wa25 October 1806.