The 87th New York Infantry Regiment lost 1 officer and 22 enlisted men killed or mortally wounded and 26 enlisted men to disease during the Civil War.
|November 14||Organized at Brooklyn, N.Y. The nucleus was the 13th New York State Militia, and it included men from several other incomplete organizations|
|November 20||Mustered in for three years Federal service under Colonel Stephen Dodge, Lieutenant Colonel Richard A. Bachia and Major George B. Bosworth.|
|December 2||Left State for Washington, D.C. Attached to 3rd Brigade, Casey’s Division, Army of the Potomac for duty in the Dept. of Washington.|
|March 10-15||Advance on Manassas, Va. attached to 1st Brigade, 3rd Division, 3rd Army Corps, Army of the Potomac|
|March 17||Ordered to the Peninsula, Va.|
|April 5-May 4||Siege of Yorktown|
|April 11||Skirmish at Yorktown|
|May 5||Battle of Williamsburg|
|May 31-June 1||
Battle of Seven Pines or Fair Oaks
The regiment lost 11 men killed, 5 men mortally wounded, 5 officers and 48 men wounded and 7 missing.
|June 25-July 1||
Seven days before Richmond
The regiment lost 5 men killed, 3men mortally wounded and 30 men wounded.
|June 25||Battle of Oak Grove|
|July 1||Malvern Hill|
|July-August||At Harrison’s Landing|
|August 16-26||Movement to Fortress Monroe and then to Centreville and attached to 1st Brigade, 1st Division, 3rd Army Corps|
|August 26-September 2||
Pope’s Campaign in Northern Virginia
The regiment lost 1 officer and 3 men killed, 5 man mortally wounded, 6 men wounded and 7 officers and 68 men missing.
|August 27||Action at Bristoe Station or Kettle Run; Buckland’s Bridge, Broad Run|
|August 29||Battle of Groveton|
|August 30||Second Battle of Bull Run|
|September 1||Battle of Chantilly|
|September 6||Due to the regiment’s heavy casualties, the men of the regiment were consolidated with the 40th Regiment New York Infantry. The officers of the 87th were mustered out.|
|September 11||The newly recruited Company B under Captain Dobbs was transferred to 173rd New York Infantry|