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National Cheeseburger Day 2026
The gist
National Cheeseburger Day 2026 falls on Friday, Sept. 18, with chains offering free or $1 burgers.
Most deals require an app, loyalty sign-up or a minimum purchase.
How it unfolded
- Sep 14, 2026Dairy Queen begins a promotion running through Sept. 18, offering customers who spend at least $1 a free individual Original Cheeseburger Signature Stackburger.
- Sep 15, 2026McDonald's launches a SpongeBob x One Piece Happy Meal featuring SpongeBob toys dressed as One Piece characters.
- Sep 16, 2026Burger King Royal Perks members are offered a free Croissan'wich.