November 1863 --The Battle of Chattanooga-- Grant, brought in to save the situation, steadily built up offensive strength, and on November 23- 25 burst the blockade in a series of brilliantly executed attacks. Union forces pushed Confederate troops away from Chattanooga. The victory set the stage for General Sherman's Atlanta Campaign. http://americancivilwar.com/tl/tl1863.html The Battles of Chattanooga, in the U.S. Civil War, were a series of engagements fought around Chattanooga, Tenn., in September and November 1863. The Confederates were commanded by Braxton Bragg, and the Union forces were first under William S.