The actual Cinco de Mayo

The real Cinco de Mayo is September 16

"The16 September military parade in honor of the anniversary of Mexican Independence is an annual tradition dating back to the late 19th century and the beginning of the professionalisation of the Mexican Armed Forces in the 20th century. Held yearly nationwide on September 16, Mexican Independence Day, is presided by the President of Mexico


https://en.wikipedia.org/wiki/Cry_of_Dolores


The Cry of Dolores (Spanish: Grito de Dolores) occurred in Dolores 1810, when Roman Catholic priest Miguel Hidalgo y Costilla rang his church bell and gave the call to arms that triggered the Mexican War of Independence.. Every year on the eve of Independence DayIndependence Day The Grito de Dolores (better known as El Grito , the Cry for independence) celebrated every year on the night between September 15th and 16th is a Mexican holiday par excellence.