Events of Texas GameVersión en línea Test your knowledge of Texas History by building a timeline of some of the most significant events in Texas History. por Dallas Historical Society 1 Sort by the date each event took place Texas becomes part of the United States Oil is discovered at Spindletop, starting an oil boom in Texas. Texas joins the Confederacy The Battle of the Alamo Mexico gains its independence from Spain The Mexican-American War Begins Spain maps and claims Texas The Civil War ends Texas Rejoins the U.S. Santa Anna becomes president of Mexico France establishes settlements in Texas