San Antonio, Texas, is home to the greatest concentration of Catholic missions in North America, including The Alamo, the state’s first mission dating to 1718. The most visited historic landmark in Texas was also a fort and the site of a battle that played a pivotal role in the state’s dramatic history. San Antonio Missions In the 18th century, the government of Spain established Catholic missions in the American southwest, in an attempt to exert control and expand its influence in the region. The Spanish Crown looked upon the natives as potential subjects and saw the missions as a way to convert as many of them as possible to Catholicism. But the native tribes in what is now east Texas showed little interest in what Spain had to offer. So in 1731, the missions there were relocated westward to the San Antonio River, where, according to the U.S. National Park …