“Man who invented the hamburger was smart; Man who invented the cheeseburger was a genius.” – Matthew McConaughey. Rejoice! It is National Hamburger Day! Hamburger Day celebrates what is most likely America’s most iconic food. We eat nearly 50 billion burgers a year! Want more burger facts? Check out this Hamburger Trivia. Whether you like yours plain, with cheese, or all the fixings and more, today is your day to shine. Chow Down!