| A | B |
| 1492 | Columbus saw the Americas |
| 1519 | Pineda sees Texas |
| 1527 | Cabeza de Vaca tells stories of golden cities |
| 1540 | Coronado looks for Cibola |
| 1684 | La Salle builds Fort St. Louis |
| 1803 | Louisiana Purchase |
| 1819 | Adams-Onis Treaty |
| 1821 | Mexico gets independence from Spain |
| 1821 | Stephen F Austin brings Old 300 to Texas |
| 1824 | Mexico creates a constitution promising democracy |
| 1718 | San Antonio is established |
| April 6, 1830 | Mexico creates a law to control the Anglos in Texas |
| 1542 | Moscoso crosses the Mississippi River |
| 1682 | Mission Corpus Christi de la Ysleta is established |