Mezue ahịrịokwu na-esonụ: N'afọ 1805, Russia sonyeere ndị ha na ha jikọrọ aka ịlụso Napoleon agha. Mgbe ọdịda ndị Austria dara na Ulm n'ọnwa Ọktoba nke 1805, Bagration nwetara otuto maka ịgbachitere ya nke ọma na
Agha nke Schöngrabern (November 1805) nke nyere ndị agha Russia ohere ịdọrọ ma jikọta ya na ndị agha Russia bụ isi nke Mikhail Kutuzov. Na Disemba 1805 ndị agha jikọtara Russo-Austrian meriri na Agha nke Austerlitz, ebe Bagration nyere iwu ka aka nri jikọtara aka megide ndị France n'okpuru Jean Lannes. Ka oge na-aga, o duziri ndị agha Russia n'Agha Finland (1808-1809) megide Sweden na agha ọzọ megide ndị Turkey (1806-1812) na Danube.