The Battle of Chickamauga, a significant Civil War battle, occurred near the Appalachian region in northwest Georgia in 1863.

The Battle of Chickamauga took place from September 18–20, 1863, near Chickamauga Creek in northwest Georgia, close to the southern Appalachian region. It was one of the largest battles of the Civil War in the western theater and marked a major Confederate victory under General Braxton Bragg against Union forces led by Major General William Rosecrans. Despite the victory, the Confederate forces failed to capitalize on their success strategically. The battle is remembered for its intense combat and high casualties, with over 34,000 soldiers killed, wounded, or missing. Its location near the Appalachians reflects the broader significance of the region during the Civil War as a contested area with strategic and logistical importance.