Cinco de Mayo quiz time!
Yes, you've been celebrating this Mexican holiday for as long as you can remember (if you can remember...), but before the blur of tequila shots and margarita consumption ensues, take a step back and think about how much you really know about the history behind all the festivities.
So hold off on donning that sombrero or shaking up that drink until you test your knowledge with the quiz below. Just think, if you fail, you'll at least finally know what 'Cinco de Mayo' is supposed to celebrate -- even if it won't save you from Monday's hangover.
For more on the history behind 'Cinco de Mayo' check out the video below.