New York 159th Infantry, Company A (Union)
01 Nov 1862
New York 159th Infantry, Company A organized at New York.
14 Apr 1863
Participated in the Battle of Irish Bend at St Mary Parish, Louisiana.
21 May 1863
Participated in the Battle of Port Hudson at East Baton Rouge Parish, Louisiana; East Feliciana Parish, Louisiana.
In cooperation with Maj. Gen. Ulysses S. Grant's final offensive against Vicksburg, Maj. Gen. Nathaniel P. Banks's army moved against the Confederate stronghold at Port Hudson on the Mississippi River. Like Vicksburg, Port Hudson was located atop high bluffs at the river bank that commanded the river. On May 11th, Banks learned that some Confederates had been moved from Port Hudson to support the forces defending Vicksburg, so he sought to move upon the garrison before those troops could be replaced. Banks…
19 Sep 1864
Participated in the Battle of Third Winchester at Frederick County, Virginia; Winchester, Virginia.
To clear the Shenandoah River valley of Confederates, Maj. Gen. Phil Sheridan moved on Winchester in mid-September 1864. Sheridan's force of over 39,000 men was more than twice the size of Maj. Gen. Jubal Early's Confederate army defending the valley. After Brig. Gen. Joseph Kershaw's division left Winchester to rejoin Robert E. Lee's army at Petersburg, Early renewed his raids on the Baltimore and Ohio Railroad at Martinsburg in the lower valley, dispersing his four remaining infantry divisions. On Septem…
23 Oct 1865
New York 159th Infantry, Company A mustered out at New York.