The Tennessee Brigade - Hardcoverby Randy Bishop (Author) The Tennessee Brigade participated in the major Civil War battles of Lee's Army of Northern Virginia. With regiments raised before Tennessee's secession, the Tennessee Brigade saw action at Seven Pines, Fredericksburg, Chancellorsville, and Spotsylvania. The brigade suffered the first casualty at Gettysburg and was the guiding unit during the assault on the Union position on the third day of the war's greatest battle. The