Cinco de Mayo is a celebration held on May 5. The day is recorded to commemorate the victory of the Mexican Army against the French Empire at the Battle of Puebla, on May 5, 1862, under the leadership. by General Ignacio Zaragoza. In the United States, Cinco de Mayo has a far-reaching significance in Mexico. Organized more popular in the United States than Mexico, this day has become associated with the celebration of American-Mexican culture.