Stamford STEMfest Joins SPEF’s US Day 2018 Celebration at Mill River Park News Releases, NewsroomBy CristianSeptember 11, 2018STAMFORD, CT — September 11, 2018— The Stamford Public Education Foundation (SPEF) is presenting US Day 2018, Uniting Stamford for a Stronger Community. It is taking place on Sunday, September 30th, from 9:00 a.m. to 2:00 p.m. at Mill River…