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.

The Greater OKC Hispanic Chamber of Commerce's third Cinco de Mayo Festival in Scissortail Park is set for 3 to 10 p.m. May 2.

Cinco de Mayo marks Mexicos 1862 victory over France at the Battle of Puebla, symbolising resilience and defiance. While largely a local event in Mexico, it is widely celebrated in the US, often overshadowed by parties and commercialisation.