1847 1st singing of Stephen Foster’s “Oh! Susanna” (in Pittsburgh, Pennsylvania) 1916 First true self-service supermarket, Clarence Saunders’ “Piggly Wiggly,” opens in Memphis, Tennessee [1] 1927 Yankees slugger Babe Ruth hits 50th home run during his MLB record 60 HR season in New York’s 6-2 loss to St. Louis Browns at Yankee Stadium 1928 First-ever TV drama WGY’s “The Queen...