
The 65th Illinois Infantry Regiment was a Union Army regiment from Illinois which was active from 1 May 1862 to 26 July 1865 during the American Civil War. Nicknamed the "Second Scotch Regiment", the regiment was organized in Chicago before being sent to West Virginia and fighting at the Battle of Harpers Ferry in September 1862. After being paroled, the regiment was moved to Kentucky, taking part in the Siege of Knoxville in 1863, the Atlanta Campaign, the March to the Sea, the Battle of Franklin and the Battle of Nashville, and the Carolinas Campaign at the end of the war. The regiment was mustered out in July 1865.