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Annual observance

National Cheeseburger Day

September 18 Food / Dessert Updated 2025-12-18

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Overview

National Cheeseburger Day is an annual celebration observed on September 18th, dedicated to one of America's most popular and iconic dishes: the cheeseburger. It's a day for culinary enthusiasts to enjoy various iterations of the classic combination of a savory patty topped with melted cheese, served on a bun with an array of condiments and toppings, often celebrated with special deals and promotions from restaurants nationwide.

Observed each year on September 18, National Cheeseburger Day invites people to pause, share the story, and bring a little themed joy to their day.

Why it matters: National Cheeseburger Day, celebrated on September 18, honors the cheeseburger as a quintessential American dish that embodies culinary creativity and comfort. This day invites food lovers to explore diverse flavors and combinations, reflecting the dish's evolution and its significance in American dining culture.

Origin and story

While its exact origin is debated, Lionel Sternberger is often credited with commercially serving one of the first cheeseburgers in the mid-1920s at The Rite Spot in Pasadena, California.

The earliest known trademark for the name 'cheeseburger' was granted in 1935 to Louis Ballast of the Humpty Dumpty Drive-In in Denver, Colorado.

Quick facts

  • DateSeptember 18
  • TypeFood / Dessert
  • Great forFoodies, Chocolate lovers, Home bakers

Also on this date

Ways to celebrate

  • Bring National Cheeseburger Day to work or school with a short shout-out in a meeting or group chat.
  • Post a story with #national-cheeseburger-day and invite others to try a tiny activity.
  • Plan a 10-minute activity that fits the food / dessert vibe and make it a mini tradition.
  • Try a playful twist: cover non-traditional foods in chocolate or sauces inspired by National Cheeseburger Day.
  • Pair music, snacks, or décor that match the theme and enjoy a small break.

Fun facts

  • While its exact origin is debated, Lionel Sternberger is often credited with commercially serving one of the first cheeseburgers in the mid-1920s at The Rite Spot in Pasadena, California.
  • The earliest known trademark for the name 'cheeseburger' was granted in 1935 to Louis Ballast of the Humpty Dumpty Drive-In in Denver, Colorado.
  • American cheese is the most popular choice for cheeseburgers due to its excellent melting qualities and mild flavor.

Sources and attribution

Source not provided.

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FAQ

When is National Cheeseburger Day?
It is observed on September 18 each year.
What is National Cheeseburger Day?
National Cheeseburger Day is an annual celebration observed on September 18th, dedicated to one of America's most popular and iconic dishes: the cheeseburger. It's a day for culinary enthusiasts to enjoy various iterations of the classic combination of a savory patty topped with melted cheese, served on a bun with an array of condiments and toppings, often celebrated with special deals and promotions from restaurants nationwide.
How do people celebrate National Cheeseburger Day?
Bring National Cheeseburger Day to work or school with a short shout-out in a meeting or group chat.

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