September 15 marks National Double Cheeseburger Day

(CNN, KYMA) - Monday, September 15 is the day when Americans can double up on one of their favorite foods as it is National Double Cheeseburger Day.

While the hamburger sandwich first appeared in the 19th or early 20th century, there's dispute over exactly where that happened.

But regardless of the debate, there's no doubt the burger has become a culinary icon in the U.S.

Over the years, burgers have gotten bigger with essential added on ingredients like cheese and bacon.

To celebrate the day, it is suggested you grill out, or share pictures of your meal at your favorite burger joint on social media.