The document summarizes three important dates celebrated in Mexico: September 13 celebrates young heroes who fought in the Battle of Chapultepec during the Mexican-American War of 1847. September 16 commemorates the Cry of Dolores, which marked the start of Mexico's war for independence from Spain led by Miguel Hidalgo y Costilla in 1810. November 20 is Revolution Day, celebrating the beginning of the Mexican Revolution initiated by Francisco I. Madero in 1910.

1. September 13"Boy Heroes" or "Heroic Cadets"Celebrates the Battle of Chapultepec during the Mexican–American War of 1847.

2. September 16“Cry of Dolores”Celebrates the Grito de Dolores, an event that marked the start of the independence war against Spain on the eve of September 16, 1810. It took place at a church chapel in Dolores Hidalgo, Guanajuato, led by a creole catholic priest Miguel Hidalgo y Costilla.

3. November 20“Revolution day”Commemorates the start of the Mexican Revolution by Francisco I. Madero in 1910