The classic drink is said to have been invented at Rancho La Gloria, a restaurant in Tijuana owned by Carlos Herrera, for a famous actress who could only drink Tequila, according to the Smithsonian Magazine.
One of the most popular stories dates back to 1938. Tuesday is National Margarita Day and that perfect mix of tequila, lime juice and orange liqueur dates back decades. National Margarita Day celebrates the drink's mysterious origins.