1862
May 26 Organized for three months United States service under Colonel William R. Brown and Lieutenant Colonel James Low
June 4 Seven companies left the state for Baltimore, Maryland.
Duty at Baltimore and along the line of the railroad from Baltimore to Havre de Grace attached to the Middle Department.
September 6 Mustered out of Federal service
1863
January 23 Mustered in for nine months Federal service as 168th New York Infantry Regiment