Thursday, Sept. 18, is National Cheeseburger Day. Here's the best deals, from freebies to BOGOs, at McDonald's, Burger King, Wendy's and more.

National Cheeseburger Day. See how to get a 50-cent Double Cheeseburger at McDonald's. Want more? Here's a list of ...

Thursday, Sept. 18, is National Cheeseburger Day. Here's the best deals, from freebies to BOGOs, at McDonald's, Burger King, ...

So of course, there's a National Cheeseburger Day, which happens to be on Thursday, Sept. 18, following National Hamburger Day, which took place on May 28. According to YouGov's ranking ...