18th Mississippi Cavalry Battalion
| 18th Mississippi Cavalry Battalion | |
|---|---|
| Active | 1863–1865 |
| Country | Confederate States |
| Allegiance | Mississippi |
| Branch | Confederate States Army Forrest's Cavalry Corps |
| Type | Cavalry |
| Size | Battalion |
| Nickname | Chalmers' Battalion |
| Battles | American Civil War |
The 18th Mississippi Cavalry Battalion initially known as Chalmers' Battalion was a unit of the Confederate States Army in the American Civil War. As part of Forrest's Cavalry Corps, the 18th Battalion fought in numerous skirmishes and battles in Mississippi, Tennessee, and Alabama before surrendering in May, 1865.