Confederate States map 1861-12-31 to 1865-05-05 (cropped)

The Trans-Mississippi Department was a geographical subdivision of the

Confederate States Army The Confederate States Army, also called the Confederate Army or the Southern Army, was the military land force of the Confederate States of America (commonly referred to as the Confederacy) during the American Civil War (1861–1865), fighting ...

comprising

Arkansas Arkansas ( ) is a landlocked state in the South Central United States. It is bordered by Missouri to the north, Tennessee and Mississippi to the east, Louisiana to the south, and Texas and Oklahoma to the west. Its name is from the O ...

Missouri Missouri is a state in the Midwestern region of the United States. Ranking 21st in land area, it is bordered by eight states (tied for the most with Tennessee): Iowa to the north, Illinois, Kentucky and Tennessee to the east, Arkansas t ...

Texas Texas (, ; Spanish: ''Texas'', ''Tejas'') is a state in the South Central region of the United States. At 268,596 square miles (695,662 km2), and with more than 29.1 million residents in 2020, it is the second-largest U.S. state by ...

, western

Louisiana Louisiana , group=pronunciation (French: ''La Louisiane'') is a state in the Deep South and South Central regions of the United States. It is the 20th-smallest by area and the 25th most populous of the 50 U.S. states. Louisiana is bord ...

Arizona Territory The Territory of Arizona (also known as Arizona Territory) was a territory of the United States that existed from February 24, 1863, until February 14, 1912, when the remaining extent of the territory was admitted to the Union as the state o ...

and the

Indian Territory The Indian Territory and the Indian Territories are terms that generally described an evolving land area set aside by the United States Government for the relocation of Native Americans who held aboriginal title to their land as a sovereign ...

; i.e. all of the Confederacy west of the

Mississippi River The Mississippi River is the List of longest rivers of the United States (by main stem), second-longest river and chief river of the second-largest Drainage system (geomorphology), drainage system in North America, second only to the Hudson B ...

. It was the last military department to surrender to

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country Continental United States, primarily located in North America. It consists of 50 U.S. state, states, a Washington, D.C., ...

forces in 1865.

History

The Trans-Mississippi Department was established on May 26, 1862, at

Little Rock ( The "Little Rock") , government_type = Council-manager , leader_title = Mayor , leader_name = Frank Scott Jr. , leader_party = D , leader_title2 = Council , leader_name2 ...

, Arkansas. It absorbed the previously established Trans-Mississippi District (Department Number Two) which had been organized on January 10, 1862, to include the Indian Territory, Missouri, Arkansas (except for the country east of St. Francis County, Arkansas, to Scott County), Missouri, and that part of Louisiana north of the Red river. The Trans-Mississippi Department had its headquarters at

Shreveport Shreveport ( ) is a city in the U.S. state of Louisiana. It is the third most populous city in Louisiana after New Orleans and Baton Rouge, respectively. The Shreveport–Bossier City metropolitan area, with a population of 393,406 in 2020, is ...

, Louisiana, and

Houston Houston (; ) is the most populous city in Texas, the most populous city in the Southern United States, the fourth-most populous city in the United States, and the sixth-most populous city in North America, with a population of 2,304,580 ...

, Texas. It was responsible for the Confederate theater of operations west of the Mississippi. Its forces were sometimes referred to as "Army of the Southwest" and, as a result of being largely cut off from the Confederate government in

Richmond Richmond most often refers to: * Richmond, Virginia, the capital of Virginia, United States * Richmond, London, a part of London * Richmond, North Yorkshire, a town in England * Richmond, British Columbia, a city in Canada * Richmond, Californi ...

late in the

War War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, destruction, and mortality, using regular o ...

, became popularly known as "Kirby-Smithdom".

Commanding generals

* Brigadier-General Paul O. Hébert (May 26, 1862June 20, 1862) * Major-General John B. Magruder (assigned June 20, 1862, but did not accept) * Major-General

Thomas C. Hindman Thomas Carmichael Hindman Jr. (January 28, 1828 – September 28, 1868) was an American lawyer, politician, and a senior officer of the Confederate States Army during the American Civil War. Born in Knoxville, Tennessee, he later moved to Mis ...

(June 20, 1862July 16, 1862) * Lieutenant-General Theophilus H. Holmes (July 30, 1862February 9, 1863) * General E. Kirby Smith (March 7, 1863April 19, 1865) * Lieutenant-General

Simon Bolivar Buckner Simon Bolivar Buckner ( ; April 1, 1823 – January 8, 1914) was an American soldier, Confederate combatant, and politician. He fought in the United States Army in the Mexican–American War. He later fought in the Confederate States Army ...

(April 19, 1865April 22, 1865) * General E. Kirby Smith (April 22, 1865May 26, 1865)

History

Commanding generals

References

Further reading