15th New York Engineers

== Regimental History and Service Record ==
Organized at Washington, D.C.. October 25, 1861, from 15th Regiment New York Infantry. Attached to Engineer Brigade, Army of the Potomac.
SERVICE.--Duty at Washington and Alexandria until March, 1862. 
* March 17-September 2, 1862 - The Peninsula Campaign 
** April 5-May 4, 1862 - Siege of Yorktown, Virginia
** Advance up the Peninsula and constructing bridges on the Chickahominy River May. 
** June 25-July 1, 1862 - The Seven Days Battles before Richmond, Virginia
*** Seven Pines June 27. 
*** June 30, 1862 - Engagement at White Oak Swamp, Virginia
*** July 1, 1862 - Engagement at Malvern Hill, Virginia
At Harrison's Landing until August 16. Moved Washington, D.C., August 16-22. Maryland Campaign September-October. Rappahannock Campaign November, 1862, to June, 1863. Battle of Fredericksburg, Va., December 12-15. "Mud March" January 20-24, 1863. 
* April 27-May 6, 1863 - The Chancellorsville CampaignNot originally referenced on unit homepage
** May 1-5, 1863 - Battle of Chancellorsville, Virginia
Operations about Franklin's Crossing April 29-May 2. Maryes Heights, Fredericksburg, May 3. Salem Heights May 3-4. Banks' Ford May 4. Deep Run Ravine June 5-13. Mustered out June 25, 1863. Three years men consolidated to a Battalion of three Companies, "A," "B" and "C." Company "D" assigned December 9, 1863; Company "E" assigned March, 1864, and other seven Companies November, 1864. Gettysburg (Pa.) Campaign June-July, 1863. Battle of Gettysburg July 1-3. Bristoe Campaign October 9-22. Advance to line of the Rappahannock November 7-8. Mine Run Campaign November 26-December 2. 
* May 4-June 12, 1864 - The Overland Campaign
** May 5-7, 1864 - Battle of the Wilderness, VirginiaNot originally listed on Dyer summary
** May 8-21, 1864 - Battles of Spotsylvania Court House, VirginiaNot originally listed on Dyer summary
** 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
** Totopotomoy May 28-31. 
** May 31-June 12, 1864 - Battles of Cold Harbor, Virginia
Crossing of James River June 15. Before Petersburg June 16-18. Siege operations against Petersburg and Richmond June 16, 1864, to April 2, 1865. Deep Bottom July 27-28, 1864. Hatcher's Run February 5-7, 1865. Appomattox Campaign March 28-April 9. Fall of Petersburg and Richmond April 2-3. Pursuit of Lee April 3-9. Appomattox Court House April 9. Surrender of Lee and his army. Expedition to reinforce General Sherman April 23-29. Moved to Washington, D.C., May 2-15. Grand Review May 23. (Cos. "A," "B" and "H" with Terry's Expedition to Fort Fisher, N. C., January 3-15, 1865. Capture of Fort Fisher January 15. Capture of Wilmington, N. C., February 22. Campaign of the Carolinas March 1-April 26. Occupation of Goldsboro and Raleigh. Bennett's House April 26. Surrender of Johnston and his army. Duty in Dept. of North Carolina until June.) Mustered out Companies "E," "F," "G," "H," "I," "K," "L" and "M" at Washington, D.C., June 13, 1865; Companies "C" June 14, 1865, and Companies "A," "B" and "D" July 2, 1865.
== Regimental Roster ==
== Regiment Statistical Information ==
* Regiment lost during service 7 Enlisted men killed and mortally wounded and 3 Officers and 119 Enlisted men by disease. Total 129.
== Legacy ==
== Notes ==
== Sources == 
* (Pages 897, 902, 903, 904, 905, 938, 941, 1404)
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