Rubuta ci gaba ga wannan sakin layi - A cikin yaƙe-yaƙe na 1805 nasarorin Bagration sun bayyana har ma da haske. Lokacin da Napoleon ya umurci Murat ya karya yarjejeniyar da ya sanya hannu tare da Bagration, Janar ya sami nasarar tsayayya da hare-haren da aka yi a kai a kai sau biyar a karkashin Murat da Lannes a Schöngrabern
(16 Nuwamba) kusa da Hollabrunn. Kodayake Bagration ya rasa rabin mutanen da ke karkashin umurninsa, matsayinsu ya kare koma bayan babban rundunar karkashin Kutuzov zuwa Olmutz. Lokacin da aka yi watsi da Kutuzov kuma aka tilasta shi ya yi yaƙi a Austerlitz (2 ga Disamba), Bagration ya umurci masu tsaron gaba na sashin Yarima Liechtenstein kuma ya kare hannun dama na kawance da Lannes yayin da hagu ya kai hari ga Napoleon da gangan ba shi da kariya. An ba shi mukamin Laftanar Janar a 1805, kuma a 1807 ya yi yaƙi da ƙarfin hali a yakin Eylau (7 Fabrairu), Heilsberg (11 Yuni), da Friedland (14 Yuni).