- Army of the Frontier
Army of the Frontier Active Country United States of America Branch United States Army Engagements American Civil War
The Army of the Frontier was a Union army that served in the Trans-Mississippi Theater during the Civil War. It fought in several minor engagements in Arkansas, Indian Territory, and Kansas. In June, 1863 the Army was discontinued but many of its regiments were formed into the District of the Frontier.
Army of the Frontier
The army was created on October 12, 1862, composed of forces from the Dist. of Southwest Missouri. General John M. Schofield was the army's first commander. Prior to this (from October 1-12, 1862) Schofield's field army was known as the Army of Southwestern Missouri. The Army of the Frontier consisted of three divisions at its largest. They were commanded respectively by James G. Blunt, James Totten, and Francis J. Herron.
Units of the army (mostly Blunt's 1st Division) engaged in several small battles early in the war. The Battle of Prairie Grove in 1862 was the army's finest moment of the war. During the campaign General Schofield was absent in St. Louis, therefore General Blunt assumed temporary command of the army while still personally leading the 1st Division. Colonel Daniel Huston, Jr. temporarily replaced Totten in command of the 2nd Division. Both the 2nd and 3rd Divisions were then placed under the overall command of General Herron.
Herron replaced Schofield as commander in March, 1863. In May of that year the army's 2nd Division under William Vandever fought the battle of Chalk Bluff against a Confederate raid under John S. Marmaduke. The army as a whole was dissolved on June 5, 1863, yet remnants were formed into "Herron's Division" and sent as reinforcements to the siege of Vicksburg.
- General John M. Schofield (October 12, 1862-November 20, 1862)
- General James G. Blunt (November 20, 1862-December 29, 1862)
- General John M. Schofield (December 29, 1862-March 30, 1863)
- General Francis J. Herron (March 30, 1863-5 June, 1863)
- Battle of Old Fort Wayne (Schofield) only Blunt's 1st Division was involved
- Battle of Prairie Grove (Blunt, field command)
- Battle of Chalk Bluff (Herron) only Vandever's 2nd Division was involved
- Siege of Vicksburg (Herron) as "Herron's Division, XIII Corps"
District of the Frontier
On June 6 the remaining units in Arkansas and the Indian Territory, formerly belonging to the Army of the Frontier, were organized into the District of the Frontier with General Blunt in command. The district was part of the Department of the Missouri and was composed of the Indian Territory, western Arkansas, southwestern Missouri and southern Kansas.
With troops from this district Blunt fought and won the Battle of Honey Springs in 1863, but suffered a defeat at Baxter Springs later that year. Blunt was relieved of command in January 1864. At the same time the District of the Frontier divided up. The Indian Territory and Fort Smith, Arkansas were designated the District of the Frontier in the Department of Kansas and placed under the command of Colonel William R. Judson. The areas in Arkansas were designated the District of the Frontier in the Department of Arkansas and placed under the command of General John Milton Thayer. Thayer's troops were attached to the VII Corps during the Camden Expedition as the "Frontier Division".
On February 23, 1864 Blunt replaced Judson in command of the District of the Frontier, Department of Kansas. Blunt commanded until April 17 when his district was discontinued. Fort Smith was transferred to Thayer's district and the rest of the Indian Territory was divided among other districts. Thayer's District of the Frontier continued until February 1, 1865 when it too was discontinued.
- General James G. Blunt (June 9, 1863-January 6, 1864) part of the Dept. of Missouri
- Colonel William R. Judson (January 6, 1864-February 23, 1864) part of the Dept. of Kansas
- General James G. Blunt (February 23, 1864-17 April, 1864) part of the Dept. of Kansas
- General John Thayer (January 6, 1864-February 1865) part of the Dept. of Arkansas
SourcesUnion Army Formations
- Department of the East: District of Central New York, District of Massachusetts, District of Western New York
- Department of the Pacific: District of Arizona, District of Humboldt, District of Oregon, District of California, District of Southern California, District of Utah
- Department of the Potomac
- Department of the South: District of Florida, District of Hilton Head, District of North Carolina, District of Savannah, Northern District (Charleston)
- Department of Virginia and North Carolina: District of Eastern Virginia, District of North Carolina
- Middle Department: Department of Rappahannock, Department of Shenandoah, Mountain Department, District of Baltimore, District of Eastern Shore
- Department of Pennsylvania: Department of the Monongahela, Department of the Susquehanna
- Department of Washington: District of Alexandria, District of Saint Mary's, District of Washington, District of Annapolis
- Department of West Virginia: District of Harper's Ferry, Kanawha District
Division of the
- Cavalry Corps of the Military Division of the Mississippi
- Department of the Cumberland: District of the Etowah, District of Middle Tennessee, District of Northern Alabama, District of West Tennessee
- Department of the Ohio: District of East Tennessee, Department of Kentucky, District of Cairo, District of Western Kentucky
- Northern Department: District of Indiana, District of Illinois, District of Michigan
- Department of Arkansas: District of Eastern Arkansas, District of the Frontier, District of Little Rock
- Department of the Gulf: District of Baton Rouge and Port Hudson, District of Carrollton, District of Key West and Tortugas, District of La Fourche, District of West Florida and South Alabama
- Department of Kansas: District of Colorado (military), District of Nebraska, District of North Kansas, District of South Kansas, District of Upper Arkansas
- Department of Missouri: District of Central Missouri, District of North Missouri, District of Rolla, District of Saint Louis, District of Southwest Missouri
- Department of New Mexico: District of Arizona
- Department of the Northwest: District of Iowa, District of Minnesota, District of Wisconsin
Army of Arkansas · Army of the Border · Army of the Cumberland · Army of the Frontier · Army of Georgia · Army of the Gulf · Army of the James · Army of Kentucky · Army of the Mississippi · Army of the Ohio · Army of the Potomac · Army of the Shenandoah · Army of the Southwest · Army of the Tennessee · Army of Virginia · Army of West Mississippi · Army of West Virginia ·
Union Army Corps
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