William H Waterhouse at 19, from Greenport, Long Island, joined the newly formed 5th N.Y. Cavalry in 1861. This elite group spent its life in northern Virginia, fighting 52 battles and 119 skirmishes until the Civil War ended. Waterhouse participated in the famous battles: Manassas, Bull Run, Gettysburg, Hagerstown, Harpers Ferry, Orange County Court House, Cedar Mountain, etc. His compassionate letters written to his family and his journal kept during...