 Ghigny akasimudzirwa kuva mukuru musi wa 29 Gumiguru 1803 uye akatumidzwa zita rekuti Chevalier weLegion dHonneur musi wa 15 Chikumi 1804. 12th Chasseurs à Cheval vakarwa muhondo yeAusterlitz muna 1805 uye muhondo yeAuerstadt muna 1806. Muchiito chekupedzisira chikwata ichi chaive brigaded ne1st uye 2nd Chasseurs à Cheval mu III Corps pasi paMarshal Louis-Nicolas Davout. Ghigny akagadzwa kuva lieutenant colonel musi wa 23 Gumiguru 1806. Kubwinya kwehondo kwe12th Chasseurs kunosanganisirawo hondo dzeCzarnowouye Golymin muna 1806 uye Hondo yeHeilsberg muna 1807. 