22nd Massachusetts Infantry

== Regimental History and Service Record ==
Organized at Lynnfield September 4 to October 6, 1861. Moved to Washington, D.C., October 8-11. Attached to Martindale's Brigade, Porter's Division, Army of the Potomac, to March, 1862. 1st Brigade, 1st Division, 3rd Army Corps, Army of the Potomac, to May, 1862. 1st Brigade. 1st Division, 5th Army Corps, to March, 1864. 2nd Brigade, 1st Division, 5th Army Corps, to October, 1864.
SERVICE.--Duty at Hall's Hill, Va. Defenses of Washington until March, 1862. Advance on Manassas, Va., March 10-16. Moved to Alexandria, thence to Fortress Monroe, Va., March 16-23. 
* March 23-September 2, 1862 - The Peninsula CampaignNot explicitly mentioned on unit homepage, joined campaign later 
** Warwick Road April 5.
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** 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
*** June 29, 1862 - Battle of the Peach Orchard, VirginiaNot originally referenced on unit homepage
*** June 30, 1862 - Engagement at White Oak Swamp, Virginia
*** June 30, 1862 - Engagement at Turkey Bridge, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
At Harrison's Landing until August 15. Retreat from the Peninsula and movement to Centreville August 15-28. 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
At Sharpsburg until October 30. Movement to Falmouth, Va., October 30-November 19. Battle of Fredericksburg, Va., December 12-15. Expedition to Richards' and Ellis' Fords December 29-30. "Mud March" January 20-24, 1863. At Falmouth until April 27. 
* 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
At Warrenton and Beverly Ford until September 17. At Culpeper until October 11. Bristoe Campaign October 11-22. Advance to line of the Rappahannock November 7-8. Rappahannock Station November 7. Mine Run Campaign November 26-December 2. At Beverly Ford 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 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 16-18. Siege of Petersburg June 16 to August 8. Relieved August 8 and guard duty at City Point until October 5. Mustered out October 17. 1864.
== Regimental Roster ==
== Regiment Statistical Information ==
Source 	Casualties	Remarks
Dyer 	
* 9 Officers and 207 enlisted men killed and mortally wounded 
* 1 Officer and 102 enlisted men killed by disease
* Total 319	None
Fox 	
* 9 Officers and 207 enlisted men killed and mortally wounded
* Total 216 (Combat Losses)
* 15.5% Casualty Rate (216 Killed/1393 Enrolled)
* Fox lists this unit as:
** 28th on the list of units "sustaining greatest loss in action" (Infantry units with over 200 casualties)
** 16th on the list of units with losses based on "maximum percentage of enrollment" 
** 17th on the list of units with losses based on duration of the entire term of service of the unit (2nd of the Massachusetts troops)	
WotRWiki Statistics	
* troops killed
** Includes troops mortally wounded
** Includes troops killed by disease
** All others are troops killed in action or under special circumstances	
== Legacy ==
== Notes ==
== Sources == 
* (Pages 758, 761, 827, 897, 900, 901, 902, 903, 904, 905, 916, 932, 933, 934, 936, 937, 938, 939, 941, 1255-1256)
* (Pages 3, 8, 11)
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