The 6th Kentucky Infantry Regiment was organized at Camp Muldraugh's Hill and Shepherdsville, Kentucky and mustered in for a three-year enlistment on December 24, 1861, under the command of Colonel Walter Chiles Whitaker.
The regiment was attached to Rousseau's 1st Brigade, McCook's Command, at Nolin, Kentucky, to November 1861.
12th Brigade, 1st Division, Army of the Ohio, to January 1862.
19th Brigade, 4th Division, II Corps, Army of the Ohio, to November 1862.
2nd Brigade, 2nd Division, Left Wing, XIV Corps, Army of the Cumberland, to January 1863.
1st Brigade, Defenses of Nashville & Chattanooga Railroad, to September 1864.
Skirmish at Bagdad, Selby County, Kentucky, December 12, 1861.
Buell's Campaign in northern Alabama and middle Tennessee June to August.
March to Louisville, Kentucky, in pursuit of Bragg August 17-September 26.
Wild Cat Mountain, near Crab Orchard, and Big Rockcastle River, near Mt.
March to Nashville, Tennessee, October 23-November 6, and duty there until December 26.
Passage of Cumberland Mountains and Tennessee River and Chickamauga Campaign August 16-September 22.
Operations on line of Pumpkin Vine Creek and battles about Dallas, New Hope Church, and Allatoona Hills May 25-June 5.
Ruff's Station, Smyrna Camp Ground, July 4.
Moved to Nashville, Tennessee, then ordered to Louisville, Kentucky.