Den 146. New York deltog i slagene ved Fredericksburg, Chancellorsville, Gettysburg, Williamsport, Wilderness Tavern, Spotsylvania Court House, North Anna,
Totopotomy Creek, Cold Harbor, Belejringen af Petersburg, Weldon Railroad, White Oak Ridge, Five Forks, Rappahannock Station, Bristoe Station, White Oak Swamp, Popular Springs Church, Hatcher's Run og Appomattox Court House.