The 63rd Indiana Infantry was organized at
Lafayette,
Indiana, beginning February 21, 1862, as a battalion of four companies: A, B, C, and D. The remainder of the regiment was organized later in 1862 in
Indianapolis. The regiment was attached to Piatt's Brigade, Sturgis' Command, Defenses of Washington, to August 1862. Piatt's Brigade,
Army of the Potomac, to October 1862. Railroad Guard, District of Western Kentucky,
Department of the Ohio, to June 1863. Unattached, 2nd Division,
XXIII Corps, Department of the Ohio, to August 1863. New Haven, Kentucky, 1st Division, XXIII Corps, to October 1863. District South Central Kentucky, 1st Division, XXIII Army Corps, to January 1864. District Southwest Kentucky, 1st Division, XXIII Corps, to April 1864. 2nd Brigade, 3rd Division, XXIII Corps, to August 1864. 3rd Brigade, 3rd Division, XXIII Corps,
Army of the Ohio, to February 1865 and
Department of North Carolina to June 1865. Companies A, B, C, and D mustered out May 3, 1865. The remainder of the regiment mustered out of service on June 21, 1865. ==Detailed service==