The Battle Hostile_encounter of Chickamauga , fought Hostile_encounter on September 18 – 20 , 1863 , between U.S. and Confederate Collaboration forces Causation in the American Civil War Military_operation , marked Recording the end Process_end of a Union offensive Attack in southeastern Tennessee and northwestern Georgia — the Chickamauga Campaign Military_operation .

The Battle Hostile_encounter of Chickamauga , fought Hostile_encounter on September 18 – 20 , 1863 , between U.S. and Confederate Collaboration forces Causation in the American Civil War Military_operation , marked Recording the end Process_end of a Union offensive Attack in southeastern Tennessee and northwestern Georgia — the Chickamauga Campaign Military_operation .

The battle Hostile_encounter was fought Hostile_encounter between the Army of the Cumberland under Maj. Gen. William Rosecrans and the Confederate Army of Tennessee under Gen. Braxton Bragg , and was named Name_conferral for Chickamauga Creek , which meanders near the battle Hostile_encounter area in northwest Georgia ( and ultimately flows Motion into the Tennessee River about 3.5 miles ( 5.6 km ) northeast of downtown Chattanooga ) .