Free cheeseburgers at Wendy’s all September

WASHINGTON — Sept. 18 is National Cheeseburger Day and Wendy’s is giving away burgers all month long to celebrate.

The promotion, which actually started Sept. 8, allows customers to get one free Dave’s Single per day with the purchase of anything else on the menu.

The offer runs through Sept. 30.

Customers are required to download the Wendy’s app and register in order to be eligible.

In February, Wendy’s put a new burger on its menu.

RetailMeNot has a partial list of other burger chains and restaurants marking National Cheeseburger Day with special offers, but many more not listed will have Cheeseburger Day offers, as they have in the past.

Americans eat about 50 billion burgers a year, according to

The hamburger gained popularity in the U.S. at the St. Louis World’s Fair in 1904.

Cheese wasn’t part of the equation until the 1920s.

Jeff Clabaugh

Jeff Clabaugh has spent 20 years covering the Washington region's economy and financial markets for WTOP as part of a partnership with the Washington Business Journal, and officially joined the WTOP newsroom staff in January 2016.

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