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Grierson's Raid was a Union cavalry raid during the Vicksburg Campaign of the American Civil War. It ran from April 17 to May 2, 1863, as a diversion from Maj. Gen. Ulysses S. Grant's main attack plan on Vicksburg, Mississippi.
Early in 1863, Major General Charles Hamilton, the commander of the Corinth section of Grant's division, suggested what would eventually become Grierson's Raid. Subsequently, due to Hamilton's insistence on procuring a command that would garner him more glory, Hamilton offered his resignation. Grant quickly accepted.
Up until this time in the war, Confederate cavalry commanders such as Nathan Bedford Forrest, John Hunt Morgan, and J.E.B. Stuart had ridden circles around the Union (literally, in Stuart's case; see the Peninsula Campaign), and it was time to out-do the Confederates in cavalry expeditions. The task fell to Col. Benjamin Grierson, a former music teacher who, oddly, hated horses after being kicked in the head by one as a child. Grierson's cavalry brigade consisted of the 6th and 7th Illinois and 2nd Iowa Cavalry regiments.
Grierson and his 1,700 horse troopers, some in Confederate uniforms serving as scouts for the main force, rode over six hundred miles through hostile territory (from southern Tennessee, through the state of Mississippi and into Union-held Baton Rouge, Louisiana), over routes no Union soldier had traveled before. They tore up railroads and burned crossties, freed slaves, burned Confederate storehouses, destroyed locomotives and commissary stores, ripped up bridges and trestles, burned buildings, and inflicted ten times the casualties they received, all while detachments of his troops made feints confusing the Confederates as to his actual whereabouts, intent and direction. Total casualties for Grierson's Brigade during the raid were three killed, seven wounded, and nine missing. Five sick and wounded men were left behind along the route, too ill to continue.
While Streight's Raid failed, it did distract Forrest and this probably allowed the success of Grierson's Raid. Although many Confederate cavalry units pursued Grierson vigorously across the state (most notably those led by Wirt Adams and Robert V. Richardson), they were unsuccessful in stopping the raid. Grierson and his exhausted troopers ultimately rode into Union-occupied Baton Rouge, Louisiana. With an entire division of Pemberton's soldiers tied up defending the vital Vicksburg-Jackson railroad from the evasive Grierson, combined with Maj. Gen. William T. Sherman's feint northeast of Vicksburg (the Battle of Snyder's Bluff), the beleaguered Confederates were unable to muster the forces necessary to oppose Grant's eventual landing below Vicksburg on the east side of the Mississippi at Bruinsburg.
In popular media
The movie The Horse Soldiers, directed by John Ford, and starring John Wayne, William Holden and Constance Towers, and the Harold Sinclair novel of the same name on which it is based, are fictional variations of Grierson's Raid.
- Dee Brown. Grierson's Raid: A Cavalry Adventure of the Civil War (reprint ed.). ISBN 978-0-89029-061-3.
- "Civil War Harper's Weekly". June 6, 1863. Retrieved October 7, 2007.
- John Y. Simon (ed.). Papers of Ulysses S Grant Volume 7. p. 318. ISBN 978-0-8093-0880-4.
- D. Alexander Brown (1981). Grierson’s Raid: A Cavalry Adventure of the Civil War. Dayton, Ohio: Morningside Bookshop. pp. 216–19. ISBN 0317527533.
- Laliki, Tom (2004). Grierson's Raid: A Daring Cavalry Strike Through the Heart of the Confederacy. Farrar, Straus and Giroux, New York. ISBN 0-374-32787-4.
- Lardas, Mark (2010). Roughshod Through Dixie – Grierson’s Raid 1863, Osprey Raid Series #12; Osprey Publishing. ISBN 978-1-84603-993-5