33rd Massachusetts Infantry

== Regimental History and Service Record ==
Organized at Springfield August 6, 1862. Moved to Washington, D.C., August 14-17. Attached to Military District of Washington to October, 1862. 2nd Brigade, 2nd Division, 11th Army Corps, Army of the Potomac, to October, 1863, and Army of the Cumberland to April, 1864. 3rd Brigade, 3rd Division, 20th Army Corps, Army of the Cumberland, to June, 1865.
SERVICE.--Duty in the Defenses of Washington, D. C., and Provost at Alexandria, Va., until October 10, 1862. Moved to Fairfax Station October 10, thence to Fairfax Court House and duty there until November 1. Moved to Warrenton, thence to Germantown November 1-20. March to Fredericksburg December 10-15. Camp at Falmouth until January 20, 1863. "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
Brandy Station and Beverly Ford June 9. 
* June 11-August 1, 1863 - The Gettysburg Campaign
** July 1-3, 1863 - Battle of Gettysburg, Pennsylvania
* At Bristoe Station August 3-September 24.
* Movement to Bridgeport, Ala., September 24-October 3.
* March along line of Nashville & Chattanooga Railroad to Lookout Valley, Tenn., October 25-28. 
* Battle of Wauhatchie, Tenn., October 28-29.
* November 23-27, 1863 - The Chattanooga/Ringgold Campaign
** Tunnel Hill November 24-25.
** Mission Ridge November 25
* March to relief of Knoxville November 28-December 17.
* Duty in Lookout Valley until May, 1864. 
* May 1-September 8, 1864 - The Atlanta Campaign
** May 8-11, 1864 - Demonstration against Rocky Faced Ridge, Georgia
** Buzzard's Roost Gap May 8-9. 
** May 14-May 15, 1864 - Battle of Resaca, Georgia
** Cassville May 19. 
** Advance on Dallas May 22-25. 
** Battle of New Hope Church May 25. 
** May 25-June 5, 1864 - Operations in Bartow County, Georgia
** Operations about Marietta and against Kenesaw Mountain June 10-July 2. 
** Pine Hill June 11-14. 
** Lost Mountain June 15-17. 
** Gilgal or Golgotha Church June 15. 
** Muddy Creek June 17. 
** Noyes Creek June 19. 
** Kolb's Farm June 22. 
** Assault on Kenesaw June 27. 
** Ruff's Station or Smyrna Camp Ground July 4. 
** Chattahoochie River July 5-17. 
** Duty as Division Train Guard July 17 to August 27. 
** Battle of Peachtree Creek July 19-20. 
** July 22-August 25, 1864 - Siege of Atlanta, Georgia
** Operations at Chattahoochie River Bridge August 26-September 2. 
** September 2-November 15 - Occupation of Atlanta, Georgia
* November 15-December 21, 1864 - The Savannah Campaign
** December 10-21, 1864 - Siege of Savannah, Georgia
* January 1-April 26, 1865 - The Carolinas Campaign
** Lawtonville, S. C, February 2. 
** Skirmish, Raleigh Road, near Fayetteville, N. C., March 14. 
** Averysboro March 16. 
** Battle of Bentonville March 19-21. 
** Occupation of Goldsboro March 24. 
** Advance on Raleigh April 10-13. 
** Occupation of Raleigh April 14. 
** Bennett's House April 26. 
*** Surrender of Johnston and his army. 
* March to Washington, D.C., via Richmond, Va., April 29-May 20. 
* Grand Review May 24. 
* Duty at Washington until June 11. 
* Mustered out June 11 and discharged from service July 2, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 7 Officers and 104 Enlisted men killed and mortally wounded and 77 Enlisted men by disease. Total 188.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 703, 704, 705, 707, 715, 721, 723, 827, 834, 866, 905, 916, 1260-1261)
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