New York 15th Infantry (Union)
1861-06-17
Organized - New York 15th Infantry - New York
1861-10-25
Mustered Out - New York 15th Infantry - New York
1863-04-30
Leadership Change - Regiment - Captain Patrick Hart
CaptainPatrick Hart
1863-04-30
Leadership Change - Brigade - Brigadier General Robert O. Tyler, and Captain William M. Graham
Brigadier GeneralRobert O. Tyler
CaptainWilliam M. Graham
1863-07-01
Leadership Change - Brigade - Lieutenant Colonel Freeman McGilvery
Lieutenant ColonelFreeman McGilvery
1863-07-01
Leadership Change - Batteries - Captain Patrick Hart
CaptainPatrick Hart
1864-05-15
Leadership Change - Regiment - Major H. Roessler
MajorH. Roessler
1864-05-15
Leadership Change - Brigade - Colonel John E. Wynkoop
ColonelJohn E. Wynkoop
1864-05-15
Leadership Change - Division - Major General Julius Stahel
Major GeneralJulius Stahel
1865-01-13
Leadership Change - Regiment - undefined Lt. K. Samuel O'Keefe
1865-01-13
Leadership Change - Division - Brigadier General Charles J. Paine
Brigadier GeneralCharles J. Paine
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