Organization

• Organized at New York City and mustered in April 23, 1861.
• Left State for Washington, D.C., May 26.
• Attached to Blenker's Brigade, Miles' Division, McDowell's Army of Northeast Virginia, June to August, 1861.
• Blenker's Brigade.
• Division of the Potomac, to October, 1861.
• Blenker's Brigade, Hooker's Division, Army of the Potomac, to January, 1862.
• Stahl's Brigade, Blenker's Division, Army of the Potomac, to March, 1862 1st Brigade, Blenker's Division, 2nd Army Corps, Army of the Potomac, to April, 1862.
• 1st Brigade, Blenker's Division, Dept. of the Mountains, to June, 1862.
• 1st Brigade, 1st Division, 1st Corps, Pope's Army of Virginia, to September, 1862.
• 1st Brigade, 1st Division, 11th Army Corps, Army of the Potomac, to April, 1863.

Service

• Duty in the Defences of Washington, D. C., till July 16, 1861.
• Advance on Manassas, Va., July 16-21.
• Battle of Bull Run July 21.
• Duty in the Defences of Washington till April, 1862.
• Operations in the Shenandoah Valley May to August.
• Battle of Cross Keys June 8.
• Duty at Sperryville and Centreville till August.
• Pope's Campaign in Northern Virginia August 16-September 2.
• Fords of the Rappahannock August 21-23.
• Gainesville August 28.
• Groveton August 29.
• 2nd Bull Run August 30.
• Duty in the Defences of Washington, D.C., till December.
• Reconnoissance to Snicker's Ferry and Berryville November 28-30.
• March to Fredericksburg, Va., December 10-16.
• "Mud March" January 20-24, 1863.
• Duty at Brook's Station till April.
• Mustered out April 23, 1863, expiration of term.
• Three years' men consolidated to a Company April 22, 1863, and transferred to 68th Regiment New York Infantry May 5, 1863.

Casualties

• Regiment lost during service 90 Enlisted men killed and mortally wounded and 1 Officer and 42 Enlisted men by disease. Total 133.