Cinco de Mayo is a holiday celebrated in Mexico and the United States on MAY 5th. It commemorates the Mexican army's victory over the French at the Battle of Puebla in 1862. The term Cinco de Mayo is Spanish for 'fifth of MAY'. The holiday is often celebrated with parades, festivals, and traditional Mexican food. The crossword solution for Cinco de Mayo is 'MAYO', which is the Spanish word for 'MAY'.