For whatever reason, in recent years "Taco Tuesday" has been rising in popularity. Maybe it's the alliteration.

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People have been using it as an excuse to go out and get themselves a tasty tortilla stuffed with meat every Tuesday. Who gets the credit for this shift in culinary culture? Taco John's.

Priceonomics has a report regarding "Taco Tuesday." A restaurant owner found themselves in hot water with the Tex-Mex chain after they began using "Taco Tuesday" as a promotion.

Taco John's has been sending out cease and desist letters demanding that restaurants stop using "Taco Tuesday." The letters claim that "Taco Tuesday" is federally registered to the chain.

Here's what is possibly the first use of "Taco Tuesday" in a commercial:

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