The first item sold after being scanned with a UPC barcode was a 10-pack of Wrigley's Juicy Fruit Gum. The sale occured at 8:01 a.m. on June 26, 1974 at the Marsh Supermarket in Troy, Ohio. The gum is now on display at the Smithsonian American History Museum in Washington D.C.

Comments
that is the coolest thing ever.