The discovery of oil at Spindletop in 1901 transformed both Dallas and Houston into major oil centers, significantly shaping their identities. The influx of wealth and industry led to rapid growth and development in both cities. Dallas, with its central location and strong banking system, became a hub for oil-related businesses and headquarters of major oil companies. Houston, on the other hand, emerged as a major port city due to its proximity to the Gulf of Mexico and the ship channel built to transport oil from Spindletop, establishing itself as an important center for refining and exporting oil.
