The mistreatment of the mestizos and non-Spaniards on top of taxes from Spain definitely contributed greatly toward the Mexican Revolution by enraging most Mexicans and eventually caused it.
Father Miguel Hidalgo's Grito de Dolores impacted greatly in the Mexican revolution. It is said that the cry was one of the main reason of how the Mexican Revolution stared against Spain.
The battle of Medina change a lot of Texas ideology because if this battle never had happen or if it had played out differently Texas would be a lot different and even possibly part of Mexico still. On top of all that many died in this battle and after words as well.