San Antonio is the seventh largest city in the United States with 1.5 million people. It is also the oldest municipality in Texas. It celebrated it's 300th anniversary in 2018. It has been a part of five different countries. It started out in the Spanish Empire until 1821. It belonged to Mexico until 1945. It became a part of the Republic of Texas until 1845. Joined the United States until 1861 when it joined the Confederate States of America. After the American Civil War was over, it went back to the United States.  The San Antonio Spurs of the National Basketball Association is the only major professional sport here. They were founded as the Dallas Chaparrals in the defunct American Basketball Association from 1967 to 1973. The franchise moved to San Antonio in 1973. In 1976, the Spurs were one of four ABA teams to merge with the NBA, the others being Denver, Indiana, and New York Nets.  The Spurs have been NBA champions five times - 1999, 2003, 2005, 2007, 2014. They have o...