Celebrate National Hamburger Day with Freebies, Discounts, and Build-Your-Own Deals.

National Hamburger Day is on May 28th and many fast-food chains and restaurants have deals to entice burger lovers. Arby's has brought back its Wagyu Deluxe Steakhouse Burger, while Burger King is offering all Royal Perks members a free hamburger with any $1 purchase in the Burger King app and through bk.com. Wendy's is offering a Junior Bacon Cheeseburger for one cent with any purchase in the Wendy's app, and Wayback Burgers is offering a BOGO burger deal. Sonic Drive-In's Tuesday half-price cheeseburgers and White Castle's discounted mobile deal are also available.