Battle of Chattanooga

Battle of Chattanooga. The Battle of Chattanooga was a decisive series of engagements fought from November 23 to 25, 1863, that ended the Confederate siege of the vital city. Following the Union Army's defeat at the Battle of Chickamauga, forces under Braxton Bragg had trapped the Army of the Cumberland in the city. The arrival of Ulysses S. Grant and 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 a Union invasion.

Background

The strategic situation developed after the Battle of Chickamauga in September 1863, where Bragg's Army of Tennessee forced the retreat of the Union's Army of the Cumberland into Chattanooga, Tennessee. Bragg's army subsequently occupied the commanding heights of Lookout Mountain and Missionary Ridge, effectively besieging the city and threatening its Union garrison with starvation. President Abraham Lincoln responded by creating the new Military Division of the Mississippi and placing Grant in overall command. Grant quickly traveled to Chattanooga, where he orchestrated the opening of a new supply line, known as the "Cracker Line," via Brown's Ferry, which was secured by troops under Joseph Hooker. This logistical triumph, coupled with the arrival of William Tecumseh Sherman's forces from the Army of the Tennessee, set the stage for a counteroffensive.

Opposing forces

The Union forces were a consolidated command under Grant, comprising the reinvigorated Army of the Cumberland led by George Henry Thomas, Sherman's Army of the Tennessee from Vicksburg, and two corps from the Army of the Potomac under Hooker. Key subordinate commanders included Philip Sheridan and Oliver O. Howard. The Confederate Army of Tennessee, commanded by Bragg, held formidable defensive positions. Its corps were led by William J. Hardee and, until detached, James Longstreet, who was sent to confront Ambrose Burnside at Knoxville. The defenses on Missionary Ridge were manned by divisions under figures like John C. Breckinridge and Patrick Cleburne.

Battle

The battle opened on November 23 with Thomas's army driving Confederate pickets from Orchard Knob to gain a forward position. The next day, in the "Battle of Lookout Mountain," Hooker's command assaulted the mountain's slopes in fog-shrouded fighting, later romanticized as the "Battle Above the Clouds." By November 25, the main Union effort focused on Missionary Ridge. While Sherman attacked the northern end of the ridge, his assault stalled. In a dramatic and somewhat unplanned movement, Thomas's soldiers, ordered to take the Confederate rifle pits at the base of the ridge, continued their charge up the steep slopes, overwhelming Bragg's center and causing a panicked Confederate retreat. This stunning breakthrough decided the battle.

Aftermath

The Union victory ended the Confederate threat to Chattanooga and secured it as a vital logistics hub for future operations. Bragg's defeated army retreated into Georgia, and he was soon replaced by Joseph E. Johnston. The defeat, combined with the loss of Vicksburg, was a catastrophic blow to the Confederacy. For the Union, the triumph restored morale after Chickamauga and cemented Grant's reputation, leading to his promotion to General-in-Chief. The victory directly enabled Sherman's Atlanta Campaign the following spring.

Legacy

The Battle of Chattanooga is considered one of the most complete Union victories of the American Civil War. It demonstrated the effectiveness of unified command under Grant and marked a turning point in the Western Theater. The city became the launching pad for Sherman's March to the Sea, a campaign that crippled the Confederate heartland. Key sites of the battle, including parts of Lookout Mountain and Missionary Ridge, are preserved within the Chickamauga and Chattanooga National Military Park, established in 1890 as the first such park in the United States. The battle is also noted for the exceptional performance of the common Union soldier during the charge up Missionary Ridge.

Category:1863 in Tennessee Category:Battles of the American Civil War in Tennessee Category:Chattanooga, Tennessee