Curated OER
National Park Service: Cwsac: Civil War Battle Summaries: Main Western Theater, 1863
From this site you can get a list of the major campaigns in the main Western Theater in 1863. Clicking on the links will take you to a description of each battle in each campaign.
American Battlefield Trust
American Battlefield Trust: Civil War: Animated Map: Franklin
Animated map shows the troop movements of both the Union and Confederate armies prior to and during the Civil War battle at Franklin, Tennessee, in 1864.