Regimental history from A Compendium of the War of the Rebellion, by Frederick Dyer:

Organized at Worcester August 1, 1862. Left State for Washington, D.C., August 22. Attached to 2nd Brigade, 2nd Division, 9th Army Corps, Army of the Potomac, to April, 1863; Dept. of the Ohio to June, 1863; Amy of the Tennessee to August, 1863, and Dept. of the Ohio to April, 1864. 1st Brigade, 1st Division, 9th Army Corps, Army of the Potomac, to May, 1864. Acting Engineers, 1st Division, 9th Army Corps, to July, 1864. 1st Brigade, 1st Division, 9th Army Corps, to September, 1864. 1st Brigade, 2nd Division, 9th Army Corps, to June, 1865.

March into Maryland September 6-12, 1862. Battles of South Mountain, Md., September 14, and Antietam September 16-17. Duty at Pleasant Valley until October 27. Movement to Falmouth, Va., October 27-November 19. Warrenton, Sulphur Springs, November 15. Battle of Fredericksburg December 12-15. "Mud March" January 20-24, 1863. At Falmouth until February 19. Moved to Newport News, Va., February 19, thence to Covington, Ky., March 26-30. Moved to Paris April 1, and to Mr. Sterling April 3. To Lancaster May 6-7, thence to Crab Orchard May 23, and to Stanford May 25. Movement to Vicksburg, Miss., June 3-14. Siege of Vicksburg June 14-July 4. Advance on Jackson, Miss., July 5-10. Siege of Jackson July 10-17. At Milldale until August 6. Moved to Cincinnati, Ohio, August 6-14. At Covington, Ky., until August 18. March to Nicholasville August 18-25, and to Crab Orchard September 9-11. March over Cumberland Mountains to Knoxville, Tenn., thence to Lenoir Station October 2-29. Knoxville Campaign November 4-December 23. At Lenoir Station until November 14. Campbell's Station November 16. Siege of Knoxville November 17-December 4. Pursuit of Longstreet December 5-19. Operations in East Tennessee until March 20, 1864. Movement to Annapolis, Md., March 20-April 7. Rapidan Campaign May-June. Battles of the Wilderness May 5-7; Spottsylvania May 8-12; Ny River May 10; Spottsylvania C. H. May 12-21. Assault on the Salient May 12. North Anna River May 23-26. On line of the Pamunkey May 26-28. Totopotomoy May 28-31. Cold Harbor June 1-12. Bethesda Church June 1-3. Before Petersburg June 16-18. Siege of Petersburg June 16, 1864, to April 2, 1865. Mine Explosion, Petersburg, July 30, 1864. Weldon Railroad August 18-21. Poplar Springs Church September 29-October 2. Boydton Plank Road, Hatcher's Run, October 27-28. Fort Stedman March 25, 1865. Appomattox Campaign March 28-April 9. Assault on and fall of Petersburg April 2. Occupation of Petersburg April 3. March to Farmville April 4-10. Moved to City Point, thence to Alexandria April 20-28, Grand Review May 23. Mustered out June 9, and discharged from service June 27, 1865.

Regiment lost during service 10 Officers and 138 Enlisted men killed and mortally wounded and 1 Officer and 100 Enlisted men by disease. Total 249.

35th Massachusetts Infantry Regiment

The 35th Massachusetts Infantry Regiment lost 10 officers and 138 enlisted men killed and mortally wounded and 1 officer and 100 enlisted men to disease during the Civil War. It is honored by a monument at Burnside's Bridge at Antietam.

1862
August 1	Organized at Worcester
August 22	Left State for Washington, D.C. and attached to 2nd Brigade, 2nd Division, 9th Army Corps, Army of the Potomac
September 6-12	March into Maryland
September 14	Battle of South Mountain
September 16-17	Battle of Antietam
October 27	Duty at Pleasant Valley
October 27- November 19	Movement to Falmouth, Va.
November 15	Warrenton, Sulphur Springs
December 12-15	Battle of Fredericksburg
1863
January 20-24	"Mud March"
January 25	At Falmouth
February 19	Moved to Newport News, Va.
March 26-30	To Covington, Ky. Attached to Dept. of the Ohio
April 1	Moved to Paris
April 3	To Mr. Sterling
May 6-7	To Lancaster
May 23	To Crab Orchard
May 25	To Stanford
June 3-14	Movement to Vicksburg, Miss. Attached to Army of the Tennessee
June 14-July 4	Siege of Vicksburg
July 5-10	Advance on Jackson, Miss.
July 10-17	Siege of Jackson
July 18	At Milldale
August 6-14	Moved to Cincinnati, Ohio and attached to Dept. of the Ohio
August 15	At Covington, Ky.
August 18-25	March to Nicholasville
September 9-11	To Crab Orchard
October 2-29	March over Cumberland Mountains to Knoxville, Tenn., then to Lenoir Station
November 4- December 23	Knoxville Campaign
November 4 - 14	At Lenoir Station
November 16	Campbell's Station
November 17- December 4	Siege of Knoxville
December 5-19	Pursuit of Longstreet
1864
December - March	Operations in East Tennessee
March 20-April 7	Movement to Annapolis, Md. and attached to 1st Brigade, 1st Division, 9th Army Corps, Army of the Potomac
May-June	Rapidan Campaign
May 5-7	Battle of the Wilderness. Assigned as acting Engineers, 1st Division, 9th Army Corps
May 8-12	Spottsylvania
May 10	Ny River
May 12-21	Spottsylvania C. H.
May 12	Assault on the Salient
May 23-26	North Anna River
May 26-28	On line of the Pamunkey
May 28-31	Totopotomoy
June 1-12	Cold Harbor
June 1-3	Bethesda Church
June 16-18	Before Petersburg
June 16	Siege of Petersburg begins
July	Attached to 1st Brigade, 1st Division, 9th Army Corps
July 30	Mine Explosion, Petersburg
August 18-21	Weldon Railroad
September	Attached to 1st Brigade, 2nd Division, 9th Army Corps
September 29- October 2	Poplar Springs Church
October 27-28	Boydton Plank Road, Hatcher's Run
1865
March 25	Fort Stedman
March 28-April 9	Appomattox Campaign
April 2	Assault on and fall of Petersburg
April 3	Occupation of Petersburg
April 4-10	March to Farmville
April 20-28	Moved to City Point, then to Alexandria
May 23	Grand Review
June 9	Mustered out
June 27	Discharged from service