The Army of the Cumberland was one of the principal

Union Union commonly refers to: * Trade union, an organization of workers * Union (set theory), in mathematics, a fundamental operation on sets Union may also refer to: Arts and entertainment Music * Union (band), an American rock group ** ''Un ...

armies in the Western Theater during the

American Civil War The American Civil War (April 12, 1861 – May 26, 1865; also known by other names) was a civil war in the United States. It was fought between the Union ("the North") and the Confederacy ("the South"), the latter formed by states ...

. It was originally known as the

Army of the Ohio The Army of the Ohio was the name of two Union armies in the American Civil War. The first army became the Army of the Cumberland and the second army was created in 1863. History 1st Army of the Ohio General Orders No. 97 appointed Maj. Gen. ...

History

The origin of the Army of the Cumberland dates back to the creation of the

in November 1861, under the command of Brig. Gen. Robert Anderson. The army fought under the name Army of the Ohio until

Maj. Gen. Major general (abbreviated MG, maj. gen. and similar) is a military rank used in many countries. It is derived from the older rank of sergeant major general. The disappearance of the "sergeant" in the title explains the apparent confusion of a ...

William S. Rosecrans William Starke Rosecrans (September 6, 1819March 11, 1898) was an American inventor, coal-oil company executive, diplomat, politician, and U.S. Army officer. He gained fame for his role as a Union general during the American Civil War. He was ...

assumed command of the army and the Department of the Cumberland and changed the name of the combined entity to the Army of the Cumberland. When Rosecrans assumed command, the army and the XIV Corps were the same unit, divided into three "grand divisions" (wings) commanded by Alexander McCook (Right Wing),

George H. Thomas George Henry Thomas (July 31, 1816March 28, 1870) was an American general in the Union Army during the American Civil War and one of the principal commanders in the Western Theater. Thomas served in the Mexican–American War and later chose ...

(Center), and Thomas L. Crittenden (Left). General Order No. 168 was the order passed by the Union Army on October 24, 1862, that called for commissioning the XIV Corps into the Army of the Cumberland. The army's first significant combat under the Cumberland name was at the

Battle of Stones River The Battle of Stones River, also known as the Second Battle of Murfreesboro, was a battle fought from December 31, 1862, to January 2, 1863, in Middle Tennessee, as the culmination of the Stones River Campaign in the Western Theater of the Am ...

. After the battle the army and XIV Corps were separated. The former Center wing became XIV Corps, the Right wing became XX Corps, and the Left wing became XXI Corps. Rosecrans still retained command of the army. He next led it through the Tullahoma Campaign and at the

Battle of Chickamauga The Battle of Chickamauga, fought on September 19–20, 1863, between U.S. and Confederate forces in the American Civil War, marked the end of a Union offensive, the Chickamauga Campaign, in southeastern Tennessee and northwestern Georgia. I ...

, after which the army became besieged at Chattanooga. Maj. Gen. Ulysses S. Grant arrived at Chattanooga. Reinforcements from the

Army of the Potomac The Army of the Potomac was the principal Union Army in the Eastern Theater of the American Civil War. It was created in July 1861 shortly after the First Battle of Bull Run and was disbanded in June 1865 following the surrender of the Confede ...

and the

Army of the Tennessee An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

also arrived. Rosecrans had been a popular and respected commander, but because of his defeat at Chickamauga and inability to lift the Confederate siege, Grant chose to replace him with

on October 19, 1863. George Henry Thomas - Brady-Handy

In the Battles for Chattanooga, Grant had been leery of using the Army of the Cumberland in the main fighting, fearing their morale to be too low after the defeat at Chickamauga. Instead, he used the veterans from the Army of the Potomac, proud of their recent victory at the

Battle of Gettysburg The Battle of Gettysburg () was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. In the battle, Union Major General George Meade's Army of the Po ...

, to take

Lookout Mountain Lookout Mountain is a mountain ridge located at the northwest corner of the U.S. state of Georgia, the northeast corner of Alabama, and along the southeastern Tennessee state line in Chattanooga. Lookout Mountain was the scene of the 18th-cen ...

and planned to use the troops from the

, also recent victors at the

Siege of Vicksburg The siege of Vicksburg (May 18 – July 4, 1863) was the final major military action in the Vicksburg campaign of the American Civil War. In a series of maneuvers, Union Maj. Gen. Ulysses S. Grant and his Army of the Tennessee crossed the Mis ...

, to attack the Confederate right flank on Missionary Ridge. The Army of the Cumberland was given the minor task of seizing the rifle pits at the base of Missionary Ridge. However, once they achieved their objective, four divisions (one led by Philip H. Sheridan) stormed up the ridge and routed the Confederate center. When Grant angrily asked who had ordered those troops up the ridge both Thomas and

Gordon Granger Gordon Granger (November 6, 1821 – January 10, 1876) was a career U.S. Army officer and a Union general during the American Civil War, where he distinguished himself at the Battle of Chickamauga. Granger is best remembered for his part in the ...

, a corps commander in the army, responded they did not know. Granger then added, "Once those boys get started, all hell can't stop 'em." After Grant's victory at Chattanooga earned him promotion to general-in-chief of the U.S. Army, Maj. Gen.

William T. Sherman William is a male given name of Germanic origin.Hanks, Hardcastle and Hodges, ''Oxford Dictionary of First Names'', Oxford University Press, 2nd edition, , p. 276. It became very popular in the English language after the Norman conquest of Engl ...

assumed command of Grant's

Military Division of the Mississippi The Military Division of the Mississippi was an administrative division of the United States Army during the American Civil War that controlled all military operations in the Western Theater from 1863 until the end of the war. History The Divisio ...

, which controlled all

armies in the West. He created an "army group" of the Army of the Cumberland, the

, and the

and marched towards Atlanta in May 1864. On the way to Atlanta they fought in many battles and skirmishes including the

Battle of Kennesaw Mountain The Battle of Kennesaw Mountain was fought on June 27, 1864, during the Atlanta Campaign of the American Civil War. It was the most significant frontal assault launched by Union Maj. Gen. William T. Sherman against the Confederate Army of Tenne ...

. In September, Atlanta fell to Sherman's army group. When Confederate general John B. Hood moved north from Atlanta, Sherman chose not to follow him and instead dispatched some of the Army of the Cumberland (IV Corps and Provisional Detachment) and the Army of the Ohio ( XXIII Corps) after him. Thomas finally met Hood at the Battle of Nashville and crushed him, thus bringing to an end any significant military actions for the Army of the Cumberland. Other elements of the Army of the Cumberland (the XIV and XX Corps) marched to the sea and north through the Carolinas with Sherman, under the command of Maj. Gen. Henry W. Slocum. These forces became the Union's

Army of Georgia The Army of Georgia was a Union army that constituted the Left Wing of Major General William T. Sherman's Army Group during the March to the Sea and the Carolinas Campaign. History During Sherman's Atlanta Campaign in 1864, his Army Group wa ...

and participated in the

Grand Review of the Armies The Grand Review of the Armies was a military procession and celebration in the national capital city of Washington, D.C., on May 23–24, 1865, following the Union victory in the American Civil War (1861–1865). Elements of the Union Army in th ...

Washington, D.C. ) , image_skyline = , image_caption = Clockwise from top left: the Washington Monument and Lincoln Memorial on the National Mall, United States Capitol, Logan Circle, Jefferson Memorial, White House, Adams Morgan, ...

, before President Andrew Johnson in 1865.

Command history

Orders of battle

* Stones River Union order of battle * Chickamauga Union order of battle * Chattanooga-Ringgold Campaign Union order of battle * Atlanta Campaign Union order of battle * Peachtree Creek Union order of battle * Nashville Union order of battle

References

* Eicher, John H., and

David J. Eicher David John Eicher (born August 7, 1961) is an American editor, writer, and popularizer of astronomy and space. He has been editor-in-chief of ''Astronomy'' magazine since 2002. He is author, coauthor, or editor of 23 books on science and American ...

. ''Civil War High Commands''. Stanford, CA: Stanford University Press, 2001. .
Organization of U.S. Forces in the Civil War

External links

*

* {{Authority control Cumberland, Army of the Kentucky in the American Civil War Tennessee in the American Civil War William Rosecrans 1862 establishments in the United States Military units and formations established in 1862 Military units and formations disestablished in 1865 1865 disestablishments in the United States

History

Command history

Orders of battle

References

Further reading

External links