September 30, 1863 – Tensions reached a boiling point among the Confederate Army of Tennessee commanders. This led to a command change, a call for
August 21, 1863 – Federal artillery opened fire on Chattanooga, as Major General William S. Rosecrans tried enveloping the vital railroad city. Rosecrans’s Army of
December 30, 1862 – Major General William S. Rosecrans’s Federal Army of the Cumberland advanced on the Confederate Army of Tennessee under General Braxton Bragg
November 20, 1862 – General Braxton Bragg reorganized his Confederate army in Middle Tennessee, and Federal Major General William S. Rosecrans planned to confront him.