Started in 1929, by a Charles Grigg, the company lanched out of St. Louis Missouri and gradually grew into one of the top soda brands..a little zing of lithium citrate may have helped!
After the Challenger disaster, there was an underworld joke that Sprite was the official soda of NASA, because they couldn't get seven up. Now people have better taste in humor.
I know when the kids were young that was always in the fridge in case they got sick. And Popsicles in the freezer. Best way to keep young ones hydrated.