The Tennessee 1st (Colms') Infantry Battalion also called 20th Battalion] was organized at Camp Weakley, Tennessee, in January, 1862, with five companies. A regimental report dated January 21, 1864, stated that the five companies composing this battalion were organized December 9, 1861; reorganized at Camp Weakley, near Nashville on January 1, 1862; accepted into Confederate service January 6, 1862; organized into a battalion on January 26, 1862; and moved to Fort Donelson the same day, before the muster of some of the companies had been completed. A total of 997 men were enrolled from DeKalb and White counties. The 1st Infantry Battalion was one of the Confederate units captured at Fort Donelson. At Fort Donelson the battalion was not attached to any brigade. Company "A" reported 59 men and four officers surrendered and Company "E" 43 men surrendered. No reports were found from the other companies. Companies Of The Tennessee 1st Infantry Battalion Company A - Dekalb County From Smithville, DeKalb County. Became Co. "B," 50th Consolidated Regiment. Company B - White County From Zion, White County. Consolidated with "E" to form Co. "H," 50th Consolidated. Company C - Dekalb County Consolidated with "D" to form Co. "K," 50th Consolidated. Company D - White County Company E - White County