Example image of eyePlorer eyePlorer map for 'Benjamin Grierson': United States Army American Civil War American Old West Cavalry in the American Civil War Union Army Confederate States Army Eastern Theater of the American Civil War Vicksburg, Mississippi Jacksonville, Illinois Youngstown, Ohio Aide-de-camp Benjamin Prentiss Major general (United States) 6th Regiment Illinois Volunteer Cavalry Colonel (United States) Major (United States) Regiment Mississippi Tennessee Army of the Tennessee Brigade Earl Van Dorn Holly Springs, Mississippi Ulysses S. Grant Grierson's Raid Vicksburg Campaign 7th Regiment Illinois Volunteer Cavalry Baton Rouge, Louisiana Brigadier general (United States) Nathaniel Prentice Banks Siege of Port Hudson XIX Corps (Union Army) Battle of Meridian William Tecumseh Sherman Battle of Brice's Crossroads Nathan Bedford Forrest Samuel D. Sturgis Andrew Jackson Smith Battle of Tupelo XVI Corps (Union Army) Army of the Mississippi Cavalry Corps (Union Army) Mobile, Alabama Brevet (military) Regular Army (United States) United States Military Academy 10th Cavalry Regiment (United States) Buffalo Soldier Philip Sheridan Native Americans in the United States