43rd Illinois Infantry Regiment
| 43rd Illinois Volunteer Infantry Regiment | |
|---|---|
Illinois state flag | |
| Active | October 12, 1861, to November 30, 1865 |
| Country | United States |
| Allegiance | Union |
| Branch | Infantry |
| Nickname | "Koener Regiment" |
| Engagements | Battle of Shiloh Siege of Corinth Siege of Vicksburg Battle of Prairie D'Ane Battle of Jenkins' Ferry |
The 43rd Illinois Regiment Volunteer Infantry, known as the "Koerner Regiment" after Gustav Körner, was an infantry regiment that served in the Union Army during the American Civil War.