Reminder: Stop by your local 7-Eleven on Monday July 11, 2011 and celebrate their birthday with a FREE Slurpee. Just one week after our country celebrates its birthday,7-Eleven, Inc. customers across the country will raise their free 7.11-ounce Slurpee® drinks to salute the all-American convenience retailer. That’s because Sunday is July 11 – also known as 7/11 or 7-Eleven®Day – the day when the world’s first convenience chain celebrates its birthday. 2010 marks 83 years since the company was founded in Dallas, Texas. Participating7-Elevenstores across America and Canada will serve 5 million free Slurpee frozen carbonated beverages in special birthday cups on Sunday (while supplies last). “Slurpee-brations” and7-Elevenbirthday parties are being held around the country with music, entertainment, prizes and food sampling. The convenience chain has been celebrating its birthday with free Slurpee drinks since its 75th anniversary celebration in 2002.