To commemorate 7-Eleven, Inc.’s 84th birthday on July 11, aka 7-Eleven Day, participating 7-Eleven stores in the Chicago area and across the nation will celebrate by giving customers a free 7.11-ounce Slurpee® beverage. In Chicago, Slurpee fans can go to the store at 45 E. Chicago Ave., Chicago from 11 am - 2 pm for a special celebration that includes WBBM-FM (B96) radio on site from 12-2 pm, a variety of prize-winning games, food samples, and, of course, free Slurpees.