'A day to remember' -- Luxembourg, US reflect on Memorial Day significance
David McKean, U.S. ambassador to Luxembourg, speaks during a Memorial Day ceremony at the Luxembourg American Cemetery and Memorial in Luxembourg, May 28, 2016. The first official Memorial Day observance occurred at Arlington National Cemetery May 30, 1868, to honor and decorate the graves of those who died during the Civil War. (U.S. Air Force photo by Staff Sgt. Joe W. McFadden/Released)