Indigenous peoples of Mexico
When Mexico gained independence in 1821, the casta system was eliminated as a legal structure, but racial divides remained. 
White Mexican argued about what the solution was to the "Indian Problem", that is indigenous who continued to live in communities and were not integrated politically or socially as citizens of the new republic. The Mexican constitution of 1824 has several articles pertaining to indigenous peoples. The second article of the constitution of Mexico recognizes and enforces the right of indigenous peoples and communities to self-determination and therefore their autonomy to:
Fiestas Patrias (Mexico)
"Grito de Dolores" (on the evening of September 15) and "Aniversario de la Independencia" (September 16) commemorate Father Miguel Hidalgo y Costilla's "Grito de Dolores" — on September 16, 1810, in the village of Dolores, near Guanajuato. Hidalgo called for the end of Spanish rule in Mexico. On October 18, 1825, the Republic of Mexico officially declared September 16 its national Independence Day ("Dia de la Independencia").