The "Rock of Chickamauga," General George H. Thomas, possessed two intelligent war-horses, both powerful and large, and able to carry the general, who weighed nearly two hundred pounds. Both horses were bays; one named "Billy" (after Thomas' friend, General Sherman) was the darker of the two, about sixteen hands high, and stout in build. He was, like his owner, sedate in all his movements and was not easily disturbed from his habitual calm by bursting shells or the turmoil of battle. Even in retreat, the horse did not hurry his footsteps unduly, and provoked the staff by his deliberate pace. "Billy" bore General Thomas through the campaigns in middle Tennessee and northern Georgia. He was on the fields of Chickamauga and Chattanooga, and marched with the Federal host in the advance upon Atlanta. From Atlanta, he next moved to Nashville where his master engineered the crushing defeat to the Confederate arms in the winter of 1864, the last battle in which Thomas and "Billy" participated.