In the summer of 1863, Federal forces scored major victories at Gettysburg and Vicksburg, turning the tide of war in favor of the Union.
But just as complete victory in the West appeared imminent, General Braxton Bragg\'s reinforced Rebel army struck back at Chickamauga, driving the Federal invaders into Chattanooga,.
The important railroad center offered a gateway to the Confederate heartland.
President Lincoln and his advisors now focused attention on the small town of Chattanooga, Tennessee.
In the summer of 1863, Federal forces scored major victories at Gettysburg and Vicksburg, turning the tide of war in favor of the Union