 After receiving a withering fire, the Second called off the assault and lay on the field and continued firing until relieved after dark.Many of the 2nd Infantry's surviving members were captured during the Siege of Knoxville on November 17, 1863, and sent to the infamous Andersonville Prison in Andersonville, Georgia.Approximately 70,000 Maryland men fought for the Union during the Civil War, and approximately 20,000 fought for the Confederacy.