Name: BarryNet Message Board Date/Time: 7/24/2020 2:45 AM Subject: Three Years Ago Today (July 24, 2017): MGM National Harbor (Oxon Hill, MD)! This Day in MANILOW History - July 24th: Barry performed the first of his two MANILOW: LIVE IN D.C.! concerts at the MGM National Harbor Theater in Oxon Hill, Maryland, THREE Years Ago TODAY (July 24, 2017)!