125th Illinois Infantry Regiment

125th Illinois Infantry Regiment
125th Illinois Infantry Regiment
	The regiment suffered many casualties in the Battle of Kennesaw Mountain. George N. Barnard photograph shows field works near Kennesaw.
Active	3 September 1862 – 9 June 1865
Country	United States
Allegiance	Union; Illinois;
Branch	Union Army
Type	Infantry
Size	Regiment
Engagements	American Civil War Battle of Perryville (1862); Battle of Chickamauga (1863); Chattanooga campaign (1863); Knoxville campaign (1863); Atlanta campaign (1864); Battle of Resaca (1864); Battle of Kennesaw Mountain (1864); Battle of Peachtree Creek (1864); Battle of Jonesboro (1864); Sherman's March to the Sea (1864); Carolinas campaign (1865); Battle of Bentonville (1865); ;
Commanders
Notable; commanders	Oscar Fitzalan Harmon; James Weston Langley;

The 125th Illinois Volunteer Infantry was an infantry regiment from Illinois that served in the Union Army during the American Civil War. Soon after mustering into Federal service in September 1862, the regiment fought at Perryville. After being stationed at Nashville, Tennessee, the unit briefly fought at Chickamauga and served in the Chattanooga and Knoxville campaigns in 1863. The regiment participated in the Atlanta campaign in 1864, where it took heavy losses at Kennesaw Mountain. It also fought at Peachtree Creek and Jonesborough. At the end of 1864, it served during Sherman's March to the Sea and in 1865 the unit fought in the Carolinas campaign. The regiment participated in the Grand Review of the Armies before being mustered out of service in June 1865.