http://www.newsnet5.com/lifestyle/food/september-18-is-national-cheeseburger-day September 18 is National Cheeseburger Day. Ah the cheeseburger . It’s as American as, well, American cheese. But that’s as far as the patty’s origin gets narrowed down. Various eating establishments (mostly in California) claim to have invented the cheeseburger. The Pasadena Sun did due diligence in investigating the burger’s background and while it […]