 His line shattered, Johnston abandoned Bowling Green on February 11, 1862, retreating first to Nashville, then further south to join P. G. T. Beauregard and Braxton Bragg at Corinth, Mississippi.Cumberland Gap, the final piece of Johnston's line, finally fell to Union forces in June 1862.Almost immediately following the Confederate withdrawal from Kentucky, Confederate General John Hunt Morgan began the first of his raids into the state.