The Thirty-third departed for the seat of war.

The evidence

• “Companies E and F of the Thirty-third Regiment were also enlisted in Rock County, and made up of some of the best material which the banner county of Wisconsin contributed to preserve the Union. It went into camp at Racine September 29, 1862, was mustered into service October 18, and departed for the seat of war November 12. Arriving at Memphis, the regiment was assigned to the Third Brigade, Gen.”

  1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 463 / book p. 467

  Butterfield, C. W., et al. The History of Rock County, Wisconsin: its early settlement, growth, development, resources, etc. Chicago: Western Historical Company, 1879. Cornell University Library via the Internet Archive, archive.org/details/cu31924028871585.

  Grade A: Found on a page of one of our sources

  

• “Thirty-third Regiment, Companies E and F, of the Thirty-third Regiment, were also enlisted in Rock county, and made up of some of the best material which the banner county of "Wisconsin contributed to preserve the Union. The regiment went into camp at Racine, September 29, 1862, was mustered into service October 18, and departed for the seat of war November 12. Arriving at Memphis, the regiment was assigned to the Third Brigade, General Lauman's division.”

  1908-brown-rock-county/16-military-history.md, Vol. 1, PDF p. 386 / book p. 355

  Brown, William Fiske, editor. Rock County, Wisconsin: A New History of Its Cities, Villages, Towns, Citizens and Varied Interests, from the Earliest Times, Up to Date. Chicago: C. F. Cooper & Co., 1908. 2 vols. archive.org/details/rockcountywiscon01brow, archive.org/details/rockcountywiscon02brow.

  Grade A: Found on a page of one of our sources · may repeat 1879-history-of-rock-county, so not counted as independent