Still rebounding from the idea of getting back on track after a three-day weekend? Well, here's something to look forward to on a Tuesday: today's National Margarita Day! Naturally, a day that celebrates one of America's most beloved drinks deserves a fun pop quiz! How much do you know about the lime and tequila libation? Find out now — then, if you're feeling a little thirsty, help yourself to one of these refreshing cocktails!