The 70th Indiana Infantry Regiment was a volunteer infantry unit that served in the Union Army during the American Civil War.
Organization and service
- Date of organization: The regiment was organized at Indianapolis, Indiana, and mustered into federal service on 21 August 1862 for a three‑year term.
- Allegiance: United States (Union)
- Branch: United States Army, Infantry
Assignments
The regiment was attached to several larger formations during its service, including:
- 23rd Brigade, 2nd Division, Army of Kentucky (late 1862)
- 2nd Brigade, 2nd Division, Army of the Cumberland (until early 1863)
- 2nd Brigade, 1st Division, IV Corps, Army of the Cumberland (mid‑1863 to 1865)
Major engagements
The 70th Indiana participated in numerous campaigns and battles, most notably:
- Battle of Perry Pointe (Perryville), 8 October 1862
- Battle of Stones River, 31 December 1862 – 2 January 1863
- Tullahoma Campaign, June–July 1863
- Battle of Chickamauga, 19–20 September 1863
- Battle of Missionary Ridge, 25 November 1863
- Atlanta Campaign, May–September 1864 (including the battles of Resaca, Kennesaw Mountain, and Jonesboro)
- Battle of Nashville, 15–16 December 1864
Casualties
Official records indicate that the regiment suffered a total of 309 fatalities: 3 officers and 73 enlisted men killed or mortally wounded in combat, and 4 officers and 229 enlisted men who died of disease.
Muster out
The regiment was mustered out of service on 21 July 1865 at Washington, D.C., and the remaining personnel were discharged shortly thereafter.
Legacy
The 70th Indiana Infantry Regiment is commemorated on several Civil War monument sites in Indiana, and its service record is preserved in the Official Records of the War of the Rebellion and Indiana state archives.