Send me a text message Cinco de Mayo is a yearly celebration held on May 5, which commemorates the anniversary of Mexico's victory over the Second French Empire at the Battle of Puebla in 1862, during the Franco-Mexican War. led by General Ignacio Zaragoza.While it is a relatively minor holiday in Mexico, in the United States, Cinco de Mayo has evolved into a commemoration of Mexican culture and heritage, particularly in areas with large Mexican-American populations. You will find the full tr...