1861
Organized at New York City as a battalion of five companies
October-December Mustered in under Lieutenant colonel Adam Senges
December 19 Left State for Washington, D.C. Attached to Military District of Washington for duty in the Defenses of Washington South of the Potomac at Fort Lyon, Virginia
1862
February Attached to 1st Brigade, DeRussy’s Division, 22nd Army Corps, Dept. of Washington
June Attached to 2nd Brigade, DeRussy’s Division, 22nd Army Corps
1863
September 30 Consolidated with 15th New York Heavy Artillery as Companies A, B, C, D & E.