New York 186th Infantry (Union)
05 Sep 1864
New York 186th Infantry organized.
02 Apr 1865
Participated in the Battle of Third Petersburg at Dinwiddie County, Virginia; Petersburg, Virginia.
With the Confederate defeat at Five Forks on April 1st, Lieut. Gen. Ulysses S. Grant and Maj. Gen. George Meade ordered a general assault against the Petersburg lines by the Second, Ninth, Sixth and Twenty-Fourth Corps to take place April 2nd. In the pre-dawn darkness, the Union infantry gained a successful breakthrough where Maj. Gen. Horatio G. Wright's advancing Sixth Corps met the Confederate lines held by Maj. Gen. A. P. Hill near the Boydton Plank Road. Hill was killed trying to reach his troops in t…
09 Apr 1865
Participated in the Battle of Appomattox Court House at Appomattox Court House, VA.
Between 26,000 and 28,000 Confederate soldiers surrendered and were paroled.
02 Jun 1865
New York 186th Infantry mustered out.