Brain Post: Cinco de Mayo is NOT Mexican Independence Day Itโs often thought thatโs Cinco de Mayo is Mexican Independence Day. It’s not. Mexican Independence Day is on Sept. 16th. The reason behind the celebration is the unlikely victory of the Mexican army over the French Army (at the time the most powerful in the world) in the city of Puebla, Mexico on May 5th 1862 when 4,000 Mexican soldiers were able to defeat 8,000 French soldiers at the […] Brains Miles Clark | May 5, 2024 7 Comments