What month does Mexico celebrate Independence Day?

the Mexican Independence Day is cinco de mayo No, it's not. The Mexican Independence Day is September 16, commemorating the day in 1810 when Mexico's independence from Spain was first proclaimed. Cinco de Mayo (the 5th of May) celebrates the day in 1862 when republican forces, battling the French supported Emperor Maximillian, gained their first significant victory at the battle of Puebla. Although Cinco de Mayo is widely celebrated in the United States as a display of Mexican heritage, it is actually a fairly minor holiday in Mexico itself, largely ignored outside of Puebla.