It's actually more popular in the United States than in Mexico. And it may have helped tip the American Civil War in favor of the Union.

Many Americans celebrate Cinco de Mayo, but how many actually know the story of the holiday? Contrary to popular belief, Cinco de Mayo doesn’t mark Mexican Independence, which is celebrated on Sept. 16.

Guacamole has been spared from tariffs for now. But salsa may not be so lucky. While threatened tariffs on Mexican avocados have been put on pause, the U.S. government plans to put a nearly 21% duty on fresh Mexican tomatoes starting July 14.