7-Eleven sweetens its birthday celebration by offering customers the chance to win FREE Slurpee® drinks for a year IRVING, Texas, June 26, 2024 /PRNewswire/ — The coolest day of the year is just a sip away! 7-Eleven, Inc., the world’s largest convenience retailer, will celebrate its 97th birthday on Thursday, July 11 (7/11), affectionately known as Slurpee Day. […]