United States Regiments & BatteriesNew York – InfantryCavalryArtillery

“Seward Infantry”

May 22 Organized at Elmira, N.Y., and mustered in for two years service under Colonel John S. Clarke, Lieutenant Colonel Seward and Major James Ledlie
June 5 Left State for Washington, D.C and duty in the Defenses of Washington
July 6 Attached to Sandford’s Division, Patterson’s Army
July 10 Occupation of Martinsburg, Va.
July 11 Attched to Butterfield’s Brigade, Patterson’s Army
July 17 Skirmish at Bunker Hill
July 25 Picket duty at Bolivar Heights
July 28 Occupation of Maryland Heights
July 29 Attached to 1st Brigade, Banks’ Division, Army of the Potomac
August 8 Lovettsville (Detachment)
August 16 Moved to Hyattstown
August 20 Duty near Darnestown
August “In August, the term of enlistment expired and special orders were issued providing for the remuster of the men for the remainder of the two years’ period. These orders were received with open dissatisfaction and by refusal of obedience on the part of 206 members, 23 of the greatest offenders being sent to the Dry Tortugas and the others placed under arrest until they were ready to be remustered. The 23 were finally released on condition that they serve the remainder of the two years in the 2nd N. Y. infantry.”(1)
August Colonel Clarke and Lt. Colonel Seward resigned. Major Ledlie was appointed colonel, Captain Charles Stewart lieutenant colonel and Adjutant Henry Stone as major
September 15 Attached to 3rd Brigade, Banks’ Division, Army of the Potomac
September 24 Duty on Upper Potomac
December 11 The regiment was reorganized as the 3rd Regiment New York Light Artillery.

Companies A-E became Battery A, Battery B, Battery C, Battery D, and Battery E,
Company G became Battery G and Company I became Battery I