The history of Dallas, Texas, United States from 1874 to 1929 documents the city's rapid growth and emergence as a major center for transportation, trade and finance. Originally a small community built around agriculture, the convergence of several railroads made the city a strategic location for several expanding industries. During the time, Dallas prospered and grew to become the most populous city in Texas, lavish steel and masonry structures replaced timber constructions, Dallas Zoo, Southern Methodist University, and an airport were established. Conversely, the city suffered multiple setbacks with a recession from a series of failing markets (the "Panic of 1893") and the disastrous flooding of the Trinity River in the spring of 1908.