It’s National Hamburger Day and several restaurants are celebrating with deals. The unofficial holiday is happening at the same time as Burger King’s 70th birthday celebration and the chain is offering free items through their app all week, including a free hamburger with a purchase of at least 70 cents today.

Other deals include:

• Wendy’s is selling Junior Bacon Cheeseburgers for one cent with any purchase today through Sunday.
• Customers at Buffalo Wild Wings can even get in on the action with buy one, get one free burgers today through their Blazin’ Rewards loyalty program.
• Dave and Buster’s: New and existing loyalty members get 50-percent off when they order a burger today.
• Jack in the Box: New and current members of the Jack Pack Rewards Program on Tuesday can get a free Jumbo Jack with $1 minimum purchase. You can sign up on the website or in the Jack app.
• Burger King: 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:Tuesday, May 28: Get a free hamburger on Tuesday with a purchase of 70 cents or more.
  Wednesday, May 29: Spend 70 cents or more and get a free Croissan’wich.
  Thursday, May 30: Get a free medium soft drink when you spend 70 cents or more.
  Friday, May 31: You can get a free cheeseburger with a purchase of at least 70 cents.
  Saturday, June 1: Get a free Birthday Pie Slice when you spend 70 cents or more.
  Sunday, June 2: Spend 70 cents or more and get a free Original Crispy Chicken Sandwich.
  Monday, June 3: Get a free Whopper Jr. when you spend at least 70 cents.
• Arby’s: through June 2, Arby’s Rewards Members get 50% off any burger when they order online or in the app.
• Krystal: Get the Krystal Burger Meal Deal for $4.99 on Tuesday. Get more deals by texting GIMME to 94258 and joining Club Krystal!

Did we miss any?