Organization

• Organized at Hudson, N.Y., and mustered in September 5 to October 16, 1861.
• Left State for Washington, D.C., October 29,1861.
• Attached to Provisional Brigade, Casey's Division, Army of the Potomac, to December, 1861.
• Steinwehr's Brigade, Blenker's Division, Army of the Potomac, to March, 1862.
• Steinwehr's 2nd Brigade, Blenker's 2nd Division, 2nd Army Corps, Army of the Potomac, to April, 1862.
• 2nd Brigade, Blenker's Division, Dept. of the Mountains, to June, 1862.
• 2nd Brigade, 3rd Division, 1st Corps, Pope's Army of Virginia, to September, 1862.
• 2nd Brigade, 3rd Division, 11th Army Corps, Army of the Potomac, to November, 1862.
• 1st Brigade, 1st Division, 11th Army Corps, to August, 1863.
• 1st Brigade, Gordon's Division, Folly Island, S.C., 10th Army Corps, Dept. of the South, to April, 1864.
• Folly Island, S. C., Northern District, Dept. of the South, to October, 1864.
• 1st Separate Brigade, Morris Island, S.C., Dept. of the South, to July, 1865.
• 3rd Sub-District, Dept. of the South, to August, 1865.
• 1st Brigade, Dept. of the South, to April, 1865.

Service

• Duty in the Defences of Washington, D.C., till April, 1862.
• Movement to Winchester, Va., April 5-18.
• Operations in the Shenandoah Valley till June.
• Battle of Cross Keys June 8.
• At Sperryville July 7 to August 8.
• Battle of Cedar Mountain August 9.
• Pope's Campaign in Northern Virginia August 16-September 2.
• Fords of the Rappahannock August 20-23.
• Sulphur Springs August 26-27.
• Battles of Groveton August 29.
• Bull Run August 30.
• Duty in the Defences of Washington. D.C., till November.
• Movement to Centreville November 1-19.
• Waterloo Bridge November 7.
• Reconnoissance to Snicker's Ferry and Berryville November 28-30.
• Movement to Fredericksburg December 9-15.
• "Mud March" January 20-24, 1863.
• At Stafford Court House till April 27.
• Chancellorsville Campaign April 27-May 6.
• Battle of Chancellorsville May 1-5.
• Gettysburg (Pa.) Campaign June 11-July 24.
• Battle of Gettysburg, Pa., July 1-3.
• Ordered to Dept. of the South August 1.
• Siege of Forts Wagner and Gregg, Morris Island, and operations against Fort Sumpter and Charleston August 9-September 7.
• Operations against Charleston and duty on Folly and Morris Islands, S.C., till June, 1865.
• Expedition to John's and Islands February 6-14, 1864.
• James Island and October 24, 1864.
• Santee River February Duty in District of South Carolina, Dept. of the South, till April, 1866, Mustered out April 14, 1866.

Casualties

• Regiment lost during service 2 Officers and 38 Enlisted men killed and mortally wounded and 1 Officer and 101 Enlisted men by disease. Total 142.