https://www.mercurynews.com/2021/10/04/free-tacos-where-to-score-deals-today-for-national-taco-day-2021/

Taco Tuesday comes every week, but only on Oct. 4 do we celebrate the holiday known as National Taco Day. This year it’s today, Monday, with the following deals for your lunch, dinner or both:

Chili’s: So there’s no taco deal today, but the Margarita of the Month costs only $5. October’s Spider Bite ‘Rita is made with Lunazul Blanco Tequila, Monin Blood Orange and triple sec.