The opening of Dallas–Fort Worth International Airport in 1974 spurred massive development. Population growth and economic gains resumed to some extent in the decades after World War II. For several decades, until the early 1970s, the Rotary Club sign outside of town boasted Grapevine as the "Cantaloupe Capital of the World". Cotton was the primary crop for Grapevine until the early 20th century, when it was overtaken by cantaloupe farms that accounted for 25,000 acres. Grapevine's population fell during the interwar period, as the economy stagnated, though the city was officially incorporated in 1936. A historical marker remains at the intersection of Dove Road and State Highway 114. Murphy, during an altercation near Grapevine.
On Easter Sunday, April 1, 1934, Henry Methvin, an associate of Bonnie Parker and Clyde Barrow, killed two police officers, E.B. The settlement made continued gains early in the 20th century and on January 12, 1914, the post office altered the town's name to one word: Grapevine. Growth during the 19th century was slow but steady by 1890, Grape Vine had about 800 residents supported by such amenities as a newspaper, a public school, several cotton gins, a post office, and railroad service. General Richard Montgomery Gano owned property near Grape Vine and helped organize the early settlement against Comanche raiding parties before leading his band of volunteers to battle in the American Civil War. The first recorded white settlement in what would become the modern city occurred in the late 1840s and early 1850s. Grapevine is the oldest settlement in Tarrant County, dating back to 1844 when Texas was a republic before statehood in 1845.
The settlement that emerged was named Grape Vine due to its location on the appropriately-named Grape Vine Prairie near Grape Vine Springs, both names in homage to the wild grapes that grew in the area. This meeting culminated in the signing of a treaty of "peace, friendship, and commerce," which opened the area for homesteaders. In October 1843, General Sam Houston and fellow Republic of Texas Commissioners camped at Tah-Wah-Karro Creek, also known as Grape Vine Springs, to meet with leaders of 10 Indian nations.