Relatives of Army Pvt. William Christman, who was the first military burial at the cemetery, James Christman, great-grand nephew, center, his wife Kris, left, and daughter Lauren, second left, from Allentown, Pa., and Barbara Christman Page, great-grand niece, second from right, and her husband Donald Page, from Swiftwater, Pa., stand in front of his grave after they laid a wreath marking the beginning of commemorations of the 150th anniversary of Arlington National Cemetery in Arlington, Va., Tuesday, May 13, 2014, in Arlington, Va. Christman, 20, enlisted in the 67th Pennsylvania Infantry and was hospitalized for measles five weeks later, dying on May 11, 1864 and buried at Arlington on May 13. (AP Photo)