(I) 4th Michigan Infantry

== Regimental History and Service Record ==
* Organized at Adrian, Mich., and mustered in June 20, 1861
* Left State for Washington, D.C., June 26
* Attached to Department of Northeastern Virginia / 3rd Division (Heintzelman) / 2nd Brigade (Wilcox), Brigaded with:
** 11th New York Infantry
** 38th New York Infantry
** (I) 1st Michigan Infantry
** 3rd United States Artillery / Battery D
* Sherman's Brigade, Division of the Potomac, to October, 1861
* Morell's Brigade, Porter's Division, Army of the Potomac, to March, 1862
* 2nd Brigade, 1st Division, 3rd Army Corps, Army of the Potomac, to May, 1862
* 2nd Brigade, 1st Division, 5th Army Corps, Army of the Potomac, to June, 1864.
SERVICE.--
* July 16-21, 1861 - The Manassas Campaign
** July 21, 1861 - Battle of Bull Run, Virginia
* Duty in the Defenses of Washington, D.C., until March, 1862. 
* Moved to the Virginia Peninsula March 16. 
* March 17-September 2, 1862 - The Peninsula Campaign 
** April 4, 1862 - Skirmish at Howard's Mill, Virginia 
** Warwick Road April 15. 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** May 23, 1862 - Skirmish at Ellison's Mill, Virginia 
** Hogan's, near New Bridge, May 23. 
** New Bridge May 24. 
** May 27-29, 1862 - Operations about Hanover Court House, Virginia 
*** May 27, 1862 - Engagement at Hanover Court House, Virginia 
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** June 26, 1862 - Engagement at Beaver Dam Creek, Virginia
*** June 27, 1862 - Engagement at Gaines's Mill, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
Duty at Harrison's Landing until August 16. Movement to Fortress Monroe, thence to Centreville August 16-28. Battle of Bull Run August 30. 
* September 3-20, 1862 - The Maryland Campaign
** September 17, 1862 - Battle of Antietam, Maryland
** September 19, 1862 - Actions at Sharpsburg and Shepherdstown/Blackford's/Boteler's Fords, Maryland
** Shephardstown September 20. 
* October 16-17, 1862 - Reconnoissance from Sharpsburg, Maryland to Smithfield, West Virginia
Movement to Falmouth, Va., October 29-November 17. Battle of Fredericksburg, Va., December 12-15. Expedition from Potomac Creek to Richards' end Ellis Fords, Rappahannock River, December 29-30. At Falmouth, Va., until April 27. "Mud March" January 20-24, 1863. 
* April 27-May 6, 1863 - The Chancellorsville Campaign
** May 1-5, 1863 - Battle of Chancellorsville, Virginia
* June 11-August 1, 1863 - The Gettysburg Campaign
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
Pursuit of Lee to Manassas Gap, Va., July 5-24. Duty on line of the Rappahannock and Rapidan until October. Bristoe Campaign October 9-22. Advance to line of Rappahannock November 7-8. Rappahannock Station November 7. Mine Run Campaign November 26-December 2. Duty at Bealeton, Va., until May, 1864.
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, Virginia
** May 8-21, 1864 - Battles of Spotsylvania Court House, Virginia
*** May 8, 1864 - Combat at Laurel Hill, Virginia
*** May 12, 1864 - Assault on the Salient at Spotsylvania Court House, Virginia
** May 22-26, 1864 - Operations on Line of the North Anna River, Virginia
*** May 25, 1864 - Engagement at Jericho Ford, Virginia
** May 26-28, 1864 - Operations on Line of the Pamunkey River, Virginia
** May 28-31, 1864 - Operations on Line of the Totopotomoy River, Virginia
** June 1-12, 1864 - Battles of Cold Harbor, Virginia
*** June 1-3, 1864 - Battle of Bethesda Church, Virginia
Before Petersburg June 16-19. Relieved from duty in the trenches June 19. Mustered out June 30, 1864. Veterans and Recruits transferred to 1st Michigan Infantry.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 12 Officers and 177 Enlisted men killed and mortally wounded and 1 Officer and 107 Enlisted men by disease. Total 297.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 271, 758, 759, 761, 827, 894, 895, 897, 899, 900, 902, 903, 904, 905, 916, 932, 933, 934, 936, 937, 938, 939, 941, 1283)
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