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.