4th Minnesota Volunteer Infantry Regiment

The 4th Minnesota Regiment Volunteer Infantry was an infantry regiment that served in the Union Army during the American Civil War. It served in several important campaigns in the Western Theater.

Service
The 4th Minnesota was mustered into Federal service by companies at Fort Snelling, Minnesota, between October 4 and December 23, 1861, and moved to Benton Barracks, St. Louis, Missouri on April 23, 1862.

The 4th Minnesota participated in Maj. Gen. Henry Wager Halleck's advance on and Siege of Corinth, Mississippi, from May 18 to May 30, 1862. The regiment participated in Ulysses S. Grant's Central Mississippi Campaign from November 1862 to January 1863. Participation in Grant's Vicksburg Campaign followed, with the 4th Minnesota fighting in the Battle of Port Gibson on May 1, 1863, the Battle of Raymond on May 12, the Battle of Jackson on May 14, the Battle of Champion's Hill May 16, the Battle of Big Black River on May 17 and the Siege of Vicksburg from May 18 to July 4, 1863. The regiment performed garrison duty at Vicksburg followed the surrender, remaining at that location until September 12, 1863.

The regiment participated in the Third Battle of Chattanooga from November 23–27 1863, then was on garrison duty at Bridgeport and Huntsville in Alabama, until June 1864, having Veteranized during the spring of 1864. It participated in Sherman's March to the Sea from November 15 to December 10, 1864, finishing the war during the Carolinas Campaign from January to April 1865 and then participated in the Grand Review of the Armies on May 24, 1865.

The 4th Minnesota Infantry was mustered out on July 19, 1865, and was discharged from service at St. Paul, Minnesota, on August 7, 1865.

Casualties
The 4th Minnesota Infantry suffered 3 officers and 58 enlisted men killed in action or who later died of their wounds, plus another 3 officers and 175 enlisted men who died of disease, for a total of 239 fatalities.

Colonels

 * Colonel John B. Sanborn - January 1, 1862 to August 4, 1863
 * Colonel John Eaton Tourtellotte - October 5, 1864 to June 21, 1865