National Hamburger Day deals - Tuesday May 28 - $5 SmashBurger, Burger King, BurgerFi, Arby's, BWW, various deals

Tuesday is National Hamburger Day. Don't forget to hit up Hallmark for a greeting card (or maybe just skip it and find some burger deals). There seem to be a bunch of them ... Burger King: National Hamburger Day kicks off week of deals National Hamburger Day coincides with the week of Burger King's 70th birthday. Members of Burger King's Royal Perks loyalty program get deals all week long: