Missouri 21st Volunteer Infantry (Union)
01/02/1862
Organized - Missouri 21st Volunteer Infantry - Missouri
06/04/1862
Leadership Change - Regiment - Colonel David Moore
ColonelDavid Moore
06/04/1862
Leadership Change - Brigade - Colonel Everett Peabody
ColonelEverett Peabody
06/04/1862
Leadership Change - Division - Brigadier General Benjamin M. Prentiss
Brigadier GeneralBenjamin M. Prentiss
06/04/1862
Battle - Shiloh - Hardin County, Tennessee
29/04/1862
Battle - Siege of Corinth - Corinth, Mississippi
Union forces had captured the railroad junction and important transportation center at Corinth, Mississippi in the spring of 1862 after their victory at Shiloh. After the Battle of Iuka in September, Maj. Gen. Sterling Price's Confederate Army of the West marched to Ripley, Mississippi where it joined Maj. Gen. Earl Van Dorn's Army of West Tennessee. Van Dorn took command of the combined force numbering about 22,000 men. The Rebels marched southeast toward Corinth, hoping to recapture it and then sweep int…READ MORE
19/09/1862
Battle - Iuka - Tishomingo County, Mississippi
Maj. Gen. Sterling Price's Army of the West main column marched into Iuka, Mississippi, on September 14th. Price's superior, Gen. Braxton Bragg, had ordered Price to prevent Maj. Gen. William S. Rosecrans's Army of the Mississippi from moving into Tennessee and reinforcing Nashville. Maj. Gen. Ulysses S. Grant, commanding the Army of the Tennessee, feared that Price intended to go north to join Bragg. Grant devised a plan for his left wing commander, Maj. Gen. E.O.C. Ord, to advance on Iuka from the west;…READ MORE
03/10/1862
Leadership Change - Regiment - Colonel David Moore
ColonelDavid Moore
03/10/1862
Leadership Change - Brigade - Brigadier General John McArthur, and Colonel Benjamin Allen
Brigadier GeneralJohn McArthur
ColonelBenjamin Allen
03/10/1862
Leadership Change - Division - Brigadier General John McArthur, and Brigadier General Thomas J. McKean
Brigadier GeneralJohn McArthur
Brigadier GeneralThomas J. McKean
03/10/1862
Battle - Battle of Corinth - Corinth, Mississippi
Not to be confused with Siege of Corinth. Also known as Second Battle of Corinth.READ MORE
12/03/1864
Battle - Fort De Russy - Fort DeRussy, Louisisana
In early 1864, the Union launched an expedition into Confederate Gen. E. Kirby Smith's Trans-Mississippi Department, headquartered in Shreveport, Louisiana. Maj. Gen. Nathaniel P. Banks and Rear Adm. David D. Porter jointly commanded the combined force. Porter's fleet and Brig. Gen. A.J. Smith's Sixteenth and Seventeenth Corps from the Army of the Tennessee set out on March 12, 1864 up the Red River, the most direct route to Shreveport. The major impediment to the Union expedition was the formidable Fort D…READ MORE
09/04/1864
Battle - Pleasant Hill - Desoto Parish, Louisiana; Sabine Parish, Louisiana
16/05/1864
Battle - Mansura - Mansura, Louisiana
18/05/1864
Battle - Yellow Bayou - Avoyelles Parish, Louisiana
14/07/1864
Battle - Tupelo - Tupelo, Mississippi
Union Maj. Gen. Andrew J. Smith, commanding the Sixteenth Corps with more than 14,000 men, left LaGrange, Tennessee on July 5, 1864, and advanced south. Smith's mission was to insure that Maj. Gen. Nathan B. Forrest and his cavalry did not raid Maj. Gen. William T. Sherman's railroad supply line in middle Tennessee supporting the campaign against Atlanta. Laying waste to the countryside as he advanced, Smith reached Pontotoc, Mississippi, on July 11th. Forrest was in nearby Okolona with about 6,000 men, bu…READ MORE
23/08/1864
Battle - Abbeville - Abbeville, Mississippi
15/12/1864
Leadership Change - Regiment - Lieutenant Colonel Edwin Moore
Lieutenant ColonelEdwin Moore
15/12/1864
Leadership Change - Brigade - Colonel David Moore
ColonelDavid Moore
15/12/1864
Leadership Change - Division - Brigadier General Kenner Garrard
Brigadier GeneralKenner Garrard
15/12/1864
Battle - Nashville - Nashville, Tennessee
Despite a series of defeats in the closing days of November, 1864, Confederate Lieut. Gen. John Bell Hood continued to drag his bloodied Army of Tennessee, approximately 30,000 strong, north towards Nashville. The city was protected by 55,000 Union soldiers, which should have precluded further offensive operations, but Hood was determined and his situation was dire. Hood reached Nashville on December 2nd and staked out a position south of the city, hoping to draw the Union forces into a costly attack. Ulys…READ MORE
19/04/1866
Mustered Out - Missouri 21st Volunteer Infantry - Missouri
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