The document discusses three important dates celebrated in Mexican history - September 13th for the "Niños Héroes" who fought in the Battle of Chapultepec Castle in 1846, September 16th for Mexican Independence Day marking the "Grito de Dolores" uprising in 1810, and November 20th for the anniversary of the start of the Mexican Revolution in 1910.

1. CELEBRATED MEXICAN HISTORY

2. September 13In México the daySeptember 13 wecelebrate the day of the “Niños Héroes”Thiseventoccur in the year 1846The “Niños Heroes” wereJuan de la Barrera, Juan Escutia, Agustín Melgar, Fernando Montes de Oca, Vicente Suárez, y Francisco Márquez

3. September 16In September 16 allMexicansaround the worldcelebrate the “Grito De Independencia”The Mexicanstakereallyimportantthatday

4. November 20In November 20 in Mexicowecelebrate the Mexicanrevolution.