45th Wisconsin Infantry Regiment


The 45th Wisconsin Infantry Regiment was organized at Camp Sigel, Milwaukee, Wisconsin, and was sent forward by companies to Nashville, TN, in the latter part of 1864 and the early part of 1865. 

Active Duty

A portion of the regiment held a position in the trenches near Ft. Negley during the battle of Nashville, December 14-16, 1864. The regiment was stationed there, until they mustered out of the service of the United States on July 17, 1865.  The 45th returned to Madison on July 23 and shortly thereafter disbanded. 


The 45th Wisconsin Infantry Regiment lost 34 men to disease.

For Further Research

Search our collections for photos and artifacts from Wisconsin in the Civil War. Read about other Wisconsin Civil War regiments. For detailed regimental histories of the U.S. Civil War, consult the Frederick H. Dyer, Compendium of the War of the Rebellion: Regimental Histories.

The histories above, unless otherwise noted, are adopted from Charles E. Estabrook, ed., Records and Sketches of Military Organizations, (Madison, 1914).