Chattanooga Campaign

Chattanooga Campaign. The campaign was a decisive series of battles fought in late 1863 for control of the vital railroad hub of Chattanooga, Tennessee. Following the Confederate victory at the Battle of Chickamauga, the Army of the Cumberland under George Henry Thomas was besieged in the city by General Braxton Bragg's Army of Tennessee. The arrival of Ulysses S. Grant with reinforcements from the Army of the Tennessee and the Army of the Potomac turned the tide, leading to a stunning Union victory that opened the Deep South to the Atlanta Campaign.

Background

The strategic importance of Chattanooga, Tennessee as a major railway center connecting the Confederacy's eastern and western theaters made it a prime target for the Union Army of the Cumberland. After the Tullahoma Campaign, Union forces under William S. Rosecrans maneuvered the Confederates out of the city in September 1863. However, the subsequent defeat at the Battle of Chickamauga forced Rosecrans's army into a desperate retreat back into Chattanooga. General Braxton Bragg's Army of Tennessee then occupied the commanding heights of Lookout Mountain and Missionary Ridge, besieging the city and threatening its Union garrison with starvation by controlling river and rail supply lines.

Battles and engagements

The campaign featured several interconnected battles in November 1863. To break the siege, Ulysses S. Grant orchestrated the opening of a new supply line, known as the "Cracker Line," via the Tennessee River and Brown's Ferry. The first major assault occurred at the Battle of Wauhatchie, where Union forces secured the line. The main offensive began on November 23 with the Battle of Orchard Knob. The following day, Joseph Hooker's forces captured Lookout Mountain in the "Battle Above the Clouds." The decisive action came on November 25 at the Battle of Missionary Ridge, where Union soldiers, including those from the Army of the Tennessee under William Tecumseh Sherman and the Army of the Cumberland, spontaneously stormed and shattered the Confederate center, routing Braxton Bragg's army.

Aftermath and significance

The Union victory ended the Confederate siege and forced the Army of Tennessee into a disorganized retreat into Georgia. The defeat led to Braxton Bragg's resignation from command, which was assumed by Joseph E. Johnston. For the Union, the triumph restored morale after Chickamauga and cemented Ulysses S. Grant's reputation, leading to his promotion to General-in-Chief. Most significantly, it secured Chattanooga, Tennessee as a permanent logistics base and launching point for William Tecumseh Sherman's pivotal 1864 Atlanta Campaign and subsequent Sherman's March to the Sea.

Order of battle

The Union forces were a consolidated group comprising the besieged Army of the Cumberland under George Henry Thomas, reinforced by the XI Corps and XII Corps from the Army of the Potomac under Joseph Hooker, and the Army of the Tennessee under William Tecumseh Sherman. Overall command was held by Ulysses S. Grant, who led the newly created Military Division of the Mississippi. The Confederate Army of Tennessee was commanded by Braxton Bragg and included the corps of John C. Breckinridge, William J. Hardee, and, for a time, James Longstreet's detachment from the Army of Northern Virginia, which was dispatched to Knoxville during the fighting.

Legacy and commemoration

The campaign is commemorated by the Chickamauga and Chattanooga National Military Park, the first and largest of the United States' national military parks established in 1890. Key sites like Lookout Mountain, Missionary Ridge, and Orchard Knob are preserved with monuments, markers, and cannons. The victory is often studied as a masterpiece of operational logistics and a turning point that enabled ultimate Union success in the Western Theater of the American Civil War. The leadership of figures like Ulysses S. Grant and George Henry Thomas ("The Rock of Chickamauga") was solidified here, influencing the final years of the American Civil War.

Category:1863 in Tennessee Category:Campaigns of the American Civil War