Answer: Texas War for Independence
Explanation: The Battle of the Alamo marked the beginning of the "Texas War for Independence." The battle took place in 1836 and was fought between the Republic of Texas, which had declared its independence from Mexico, and Mexican forces led by General Santa Anna. The battle was a key moment in the Texas War for Independence, which lasted from 1835 to 1836 and resulted in the creation of the independent Republic of Texas.