what was the date and state of the battle of chickamauga
Battle of Chickamauga-Day 1. The Battle of Chickamauga, fought September 19â20, 1863, marked the end of a Union offensive in southeastern Tennessee and northwestern Georgia called the Chickamauga Campaign.The battle was the most significant Union defeat in the Western Theater of the American Civil War.attle of Chickamauga-Day 1. The Battle of Chickamauga, fought September 19â20, 1863, marked the end of a Union offensive in southeastern Tennessee and northwestern Georgia called the Chickamauga Campaign. The battle was the most significant Union defeat in the Western Theater of the American Civil War.