United States Regiments & Batteries > Wisconsin > 4th Wisconsin Infantry Regiment
| 1861 | |
| Organized at Camp Utley in Racine, Wis. | |
| July 2 | The 4th Wisconsin Infantry Regiment mustered in 1.058 men under the command of Colonal Halbert Paine. |
| July 15-22 | Moved to Baltimore, Md. Attached to Dix’s Division, Baltimore, Md. to guard railroad near Baltimore |
| November 14-22 | Expedition to eastern shore of Maryland. |
| 1862 | |
| December-February | Duty at Baltimore |
| February 19 | Moved to Fortress Monroe, Va., then sailed on Steamer Constitution for Ship Island, Miss., and the capture of New Orleans. Spent remainder of service in the Western Theater. |
| 1863 | |
| August | Redesignated 4th Wisconsin Cavalry Regiment |