During the Texas Revolution (1835-1836).
Texas.
Mexico
The battle of the Alamo.
Texas fought against Mexico between 1835 and 1836. This conflict is known as the Texas Revolution.
Sam Houston
It showed them how hard they would have to fight for their freedom from Mexico.
Sam Houston
Texas had to fight for it's freedom from Mexico and Santa Ana
Some 13 months. The Texas Revolution lasted from 1835 to 1836.
Texas declared itself Independent of Mexico.
Mexico, of course, and Texas isn't independent though some of them wish they were.
In part over the failure of Mexico to recognize the Independence of Texas.