MINNEAPOLIS--(BUSINESS WIRE)--National Taco Day isn't just another food holiday for Old El Pasoâ"¢ — it's the biggest celebration of the year — and the Tex-Mex brand wants to give people the taco time off they deserve. This year, the brand is declaring October 7 "National Taco Day-Off†and offering fans the chance to win the cowboy-themed getaway of their dreams. Need more work-taco balance? Maybe you need time to move (tacos into your mouth)? Whatever your reason for needing a National Taco Day-. ...