Story highlights Cinco de Mayo commemorates Mexico's victory against the French during the Battle of Puebla

Many confuse the celebration with Mexican independence day, which is September 16

The holiday isn't widely celebrated in Mexico

This story was originally published on May 5, 2014

(CNN) If you didn't already know, Cinco de Mayo is a bigger deal in the United States than in Mexico. Here, this unofficial holiday is almost as popular as, oh, St. Patrick's Day -- which means it's unfortunately become a drinking holiday. So much so that it's been nicknamed, Cinco de Drinko and even Gringo de Mayo.

Actually, Thursday, commemorates Mexico's victory against the French during the Battle of Puebla in 1862, and according to research by UCLA professor David Hayes-Bautista, it isn't a Mexican holiday at all but rather an American one created by Latinos in California during the Civil War.

In a perfect world, folks would use the day as an opportunity to learn more about Mexican history and culture, but the sea of margarita and nacho specials might be too distracting for some. So, in the spirit of not completely raining on everyone's parade, we've compiled a list of Cinco de Mayo faux pas to avoid so as not to offend others and/or embarrass yourself.

1. 'Happy Cinco de Mayo!'... said no Mexican ever

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