On 7 July 1928 the Chillicothe Baking Company in Chillicothe, Missouri sold its first loaf of sliced bread, cut by Otto Rohwedder’s machine and sold under the name Kleen Maid Sliced Bread, according ...
Just after 8 a.m. on 26 June 1974, the first item marked with a Universal Product Code was scanned at the checkout of Marsh Supermarket in Troy, Ohio, according to Smithsonian Magazine. The shopper ...