9월 18일 월요일은 내셔널 햄버거의 날이다. 프렌치 프라이 데이(7월 13일), 쵸콜릿칩 쿠키 데이(8월 4일) 처럼 많이 알려 지지 않은 날이긴 하지만, 잘만하면 공짜 또는 디스카운트 가격으로 햄버거를 먹을 수 있다.
Johnny Rockets - Get a free burger instantly when you sign up for the chain's Rocket eClub. You'll get another free one on your birthday, as well.
Rally's - Get a free burger by using coupon code 4111.
Champps Kitchen + Bar - Sign up for the MVP League and you can get a free Champps Cheeseburger.
BurgerFi - Pick up a Double Natural Angus Burger at the chain for just $5 when you mention the offer at the register on Monday.
Cheeseburger in Paradise - Of course the chain named after Jimmy Buffett's junk food anthem has a special. Grab a half-pound All-American Burger with a side of fries for $6. You can also get a 99-cent cold draft beer. No word on the big kosher pickle.
McDonalds - The nation's biggest burger chain doesn't have any Cheeseburger Day-specific specials, but order through the company's app and you can get a free burger (or other sandwich) when you order another.
Burger King - The BK Lounge, also, isn't planning any formal celebrations of the day, but does currently have a special for two Whoppers for $6.