"Ultimate Guide to National Cheeseburger Day: History, Celebration Ideas, and Delicious Variations"

National Cheeseburger Day is on September 18th. It started in the 1920s.

Lionel Sternberger in California is credited with adding cheese to burgers in 1924.

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The term "cheeseburger" was trademarked in 1935 in Denver.

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Celebrate with free or discounted cheeseburgers from fast-food chains.

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Enjoy cheeseburger-themed songs like Jimmy Buffett's "Cheeseburger in Paradise."

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National Cheeseburger Day is all about delicious, cheesy, and creative burger celebrations!

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Try unique cheeseburger-inspired foods like cheeseburger pizza or cheeseburger milkshakes.

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