Vasily Vasilyevich Vereshchagin (1842-1904) was the most famous Russian battle and military painter. As one of the great representatives of Realism he don’t waste his time in showing glorious cavalry charges, normally he painted the dirty face of the war.Firing squad in the Kremlin (1897-98)The Night Bivouac of the Napoleon Army during the retreat from Russia in 1812 (1896-97).
Here are some more contemporary battle paintings by Vereshchagin.