Whataburger is 73! How to get free burger on National Whataburger Day Tuesday
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Whataburger is celebrating its birthday Tuesday, and it's inviting everyone to the party. "National Whataburger Day," as the burger chain is coining it, is meant to recognize the company's 73 years in existence. In late July, the company announced a slew of events and promotions coinciding with…
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