In Hastings, Neb., summer gets a little sweeter every August when they just say “Hey, Kool-Aid!” Since 1998, a weekend-long festival there has celebrated the inventor of Kool-Aid, Hastings’ own Edwin ...

Enjoy a refreshing glass of Kool-Aid today! National Kool-Aid Day coincides with the first day of Kool-Aid Days each year, which is always celebrated on the second weekend of August in Hastings, ...