Maj. Gen. George B. McClellan, USA, and Gen. Robert E. Lee, CSA, fighting the deadliest one day battle on Sep 17, with over 22,000 casualties, at sites including the East Woods, West Woods, the Cornfield, the Bloody Lane, the Dunkard Church, Burnside’s Bridge, Mumma’s farm, near the Piper Farmhouse, etc. […]