General George H. Thomas, the "Rock of Chickamauga," was a Virginian who chose the northern side in the Civil War. While Thomas was considered a traitor by his family, his military superiors regarded him with a certain mistrust because of his southern background. Nonetheless, Thomas was prominent in the battles of Mill Springs, Shiloh, Corinth, Perryville, and Nashville, and was immortalized at Chickamauga, where he tenaciously held the field until ordered to withdraw.