A dedication ceremony will be held at the 68 West Pike St. Canonsburg Borough Building at 9:30 a.m. commemorating Major Jonathan Letterman. As Medical Director of the Army of the Potomac, Letterman revolutionized combat medicine by organizing the first wheeling Ambulance and field hospital system, resulting in innumerable saved lives. The ceremony will include speeches by local historians, dignitaries, and Civil War authors, and an exhibit from the National Museum of Civil War Medicine. Donations for installation and ceremony costs will be accepted through GoFundMe at gf.me/u/bn9htw