The 10th National Hamburger Festival 2015 celebrates the invention of the hamburger. Back in 1885, Frank and Charles Menches of Akron, Ohio were working as traveling concessionaires. Their travels took them to the Erie County Fair in Western New York, where the brothers came up with the idea to put some ground beef between two pieces of bread. The rest is history. Every year, hamburger afficiandos converge on Akron, Ohio for a real smorgasboard The National Hamburger Festival marks its 9th anniversary of serving as the national celebration of the hamburger. Each year over 20,000 hamburger fans have enjoyed family fun, great entertainment and one of the largest assortments of hamburgers ever assembled in one place. The Food Network filmed the festival for a segment on their hit show "Unwrapped."