“ On the morning of May 5, the French tried to intimidate the Mexicans with screeching bugle calls and advanced bayonet maneuvers. But after a full day of fighting, including three unsuccessful uphill charges, they were forced to retreat due to heavy casualties .”

Cinco de Mayo, which translates to the 5th of May, has become associated with tacos and margaritas, but the holiday is about so much more than that.

Mexico beats France in this year's ETF face-off, but long-term risks could flip the outcome. Who wins the market war?