De 146e New York nam deel aan de veldslagen van Fredericksburg, Chancellorsville, Gettysburg, Williamsport, Wilderness Tavern, Spotsylvania Court House, North Anna,
Totopotomy Creek, Cold Harbor, Belegering van Petersburg, Weldon Railroad, White Oak Ridge, Five Forks, Rappahannock Station, Bristoe Station, White Oak Swamp, Popular Springs Church, Hatcher's Run en Appomattox Court House.