139th New York Infantry Regiment

The 139th New York Infantry Regiment lost 5 officers and 66 enlisted men killed or mortally wounded and 1 officer and 79 enlisted men to disease during the Civil War.

1862
	Organized at Brooklyn, N.Y.
September 9	Mustered in
September 11	Left State for Fortress Monroe, Va.
September 20	Duty at Camp Hamilton, Va., Va., Dept. of Virginia
December	Assigned to Busteed's Independent Brigade, Yorktown, Va., 7th Army Corps, Dept. of Virginia
1863
April	Assigned to West's Brigade, 7th Army Corps
April 11	Action at Whittaker's Mills, Williamsburg and Fort Magruder
April	Moved to Yorktown, Va. and duty there, at Williamsburg and in the District of the Currituck
May	Assigned to West's Advance Brigade, 4th Army Corps
July	Assigned to Wistar's Brigade, United States forces, Yorktown, Va., Dept. of Virginia and North Carolina
June 24-July 7	Dix's Peninsula Campaign
July 1-7	Expedition from White House to Bottom's Bridge
July 2	Baltimore Cross Roads
July 2-3	Crump's Cross Roads, Bottom's Bridge
December 12-14	Expedition from Williamsburg to Charles City Court House
December 11	Near Chickahominy River
December 12	Forge Bridge
December 13	Charles City Court House
1864
January	Assigned to 1st Brigade, United States forces, Yorktown, Va..
January 19 & 24	Scouts from Williamsburg
February 6-8	Wistar's Expedition against Richmond. Assigned to District of the Currituck, Dept. of Virginia and North Carolina
March	Assigned to Heckman's Division, Portsmouth, Va.
April	Assigned to 1st Brigade, 1st Division, 18th Army Corps, Army of the James
May 4-28	Butler's operations on south side of the James River and against Petersburg and Richmond
May 5	Occupation of City Point and Bermuda Hundred
May 9-10	Swift Creek or Arrowfield Church
May 12-16	Operations against Fort Darling
May 14-16	Battle of Drury's Bluff
May 16-27	Bermuda Hundred
May 28-31	Moved to White House, thence to Cold Harbor
June 1-12	Battles about Cold Harbor
June 15-18	Before Petersburg
June 19	Siege operations begin against Petersburg and Richmond. In trenches before Petersburg and on the Bermuda Hundred front
July 30	Mine Explosion, Petersburg (Reserve)
September 28-30	Battle of Chaffin's Farm, New Market Heights
September 29	Assault and capture of Fort Harrison
October 27-28	Battle of Fair Oaks
November	Duty in lines before Richmond
December	Assigned to 1st Brigade, 3rd Division, 24th Corps
1865
April 3	Occupation of Richmond
April-May	Provost duty at Richmond and Manchester, Va.
June 19	Mustered out. Veterans and Recruits transferred to 98th New York Infantry.