Battle of Eylau
January 21, 1803 Somov was appointed chief of the Tula Musketeer Regiment (1806-1807) fought against French Army in Eastern Prussia. At the Battle of Eylau, he commanded a brigade of Polotsk, Tobolsk and Tula musketeer regiments and knocked the French out of the city. April 8, 1807, he was awarded the Order of St. George the third degree (No. 149 by Chevalier list)