November 1864
After the capture of Atlanta, the Twenty-second regiment (Twentieth Army Corps) proceeded to Savannah.
The evidence
“After the capture of Atlanta, the regiment, with the balance of the Twentieth Army Corps, was stationed at that city, engaged in strengthening the fortifications. In November, 1864, the regiment proceeded to Savannah, thence to Perrysville, Robertsville and through the Carolinas, Richmond and Alexandria to Washington, taking part in the grand review of Sherman's army, and remaining at Alexandria until June 12, 1865, when it was mustered out and returned to Madison. ' ■”
1879-history-of-rock-county/12-rock-county-ch06-politics-war-record.md, PDF p. 462 / book p. 466
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
On the printed page (PDF p. 462 / book p. 466) · open the whole page “After the capture of Atlanta the regiment, with the balance of the Twentieth Army Corps, was stationed at that city, engaged in strengthening the fortifications. In November, 1864, the regiment proceeded to Savannah, thence to Perrysville, Robertsville, and through the Carolinas, Richmond and Alexandria to Washington, taking part in the grand review of Sherman's army, and remaining at Alexandria until June 12, 1865, when it was mustered out and returned to Madison.”
1908-brown-rock-county/16-military-history.md, Vol. 1, PDF p. 378 / book p. 348
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
On the printed page (Vol. 1, PDF p. 378 / book p. 348) · open the whole page