Gates open 3 p.m.Event open 3 to 9 p.m.Entertainment 6 to 9 p.m.Dancing 5 to 9 p.m. A taste of the world, in your back yard Founded in 1960, International Village in McKeesport, Pa., is a three-day celebration of shared traditions and heritage, including food, music and dancing. The city of McKeesport’s annual ethnic heritage…