 Today's date is 7-11, which is also the annual free Slurpee Day at 7-11, this year happening in the middle of a heat wave around the country. Customers invited to stop by their local 7-11 and help themselves to a sweet, icy Slurpee for free. The 97-year-old company has been pouring free frozen drinks each year on July 11 since 2002, but it's hoping to raise awareness this year of an important cause.