Johnston replaced Braxton Bragg , who managed to lose all of Tennessee to the Union during 1863 .
On this day in 1863 , Confederate President Jefferson Davis names General Joseph Johnston commander of the Army of Tennessee .
General replaced Braxton Bragg , who managed to lose all of Tennessee to the Union during 1863 .
On this day in 1863 , Confederate President Jefferson Davis names General Joseph Johnston commander of the Army of Tennessee .