There is much debate as to the exact individual responsible for inventing the classic margarita, but it was during the 1930s or 1940s.
Frozen margaritas were invented later in the 1970s when an inventive bartender converted a soft serve ice cream unit into a frozen margarita machine.
Several local restaurants and bars are celebrating the holiday with special deals.
Take ABC13 with you!
Download our free apps for iPhone, iPad, and Android devices