June 24, 1863, The Tullahoma Campaign Begins
The Confederate Army of Tennessee under General Braxton Bragg occupied a strong defensive position in the mountains. But through a series of well-rehearsed feints, Rosecrans captured the key passes, helped by the use of the new seven-shot Spencer repeating rifle. The Confederates were handicapped by dissension between generals, as well as a lack of supplies, and soon had to abandon their headquarters at Tullahoma.
The campaign ended in the same week as the two historic Union victories at Gettysburg and Vicksburg, and Rosecrans complained that his achievement was overshadowed. However, Confederate casualties had been few, and Bragg’s army was strong enough to defeat Rosecrans at the Battle of Chickamauga two months later.