LEXINGTON, Ky. – The credited inventors of the bacon cheeseburger, A&W Restaurants, is set to turn 100 years old on June 20.

According to the company, A&W franchisee Dale Mulder invented the bacon cheeseburger. He later became president of A&W and remains chairman today.

According to a Thrillist article from 2015, Mulder’s customers would request bacon on top of their cheeseburgers so he decided to put it on the menu.

The longstanding chain also had to mention its signature Root Beer drink when touting its longstanding run as a restaurant.

“Today, A&W is the strongest it has been in decades, in part because we have returned to our roots, literally – serving freshly made Root Beer in frosted mugs along with all-American food favorites.”

A&W also described its long history of supporting veterans of American wars dating back to World War I.

“There’s a lot of history in 100 years, but our longtime connection to veterans is a common thread,” said CEO Kevin Bazner. “That’s why we are especially pleased to again be supporting Disabled American Veterans – DAV – as part of our celebration.”