We Day in Rosemont Posted on May 1, 2015 by Chicago 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: Illinois’ first We Day, the “world’s largest youth empowerment stadium event”, hosted more than 15,000 students at the Allstate Arena in Rosemont on Thursday, April 30, 2015. | Ashlee Rezin/for Sun-Times Media 1 Chicago Chicago News & Search 1 News - 1 eMovies - 1 eMusic - 1 eBooks - 1 Search Search for: