Postcard from the collection of Steven Butler. Used with permission.

The Flying Red Horse (pictured, left), installed atop the Magnolia Building in 1934, has since become the symbol of Dallas.

1931 - Levees are completed in the Trinity River project, eliminating the danger of flooding from downtown Dallas.

1932 - Dallas resident Babe Didrickson wins the AAU women's track team championship individually, scoring all 30 points againts the Illinois team's 22.

1934 - The Flying Red Horse (the world's largest revolving sign) is installed on the Magnolia Building in honor of the convention of the American Petroleum Institute. Ford Motor Company opens an assembly plant on Grand Avenue.

1935 - First parking meter is installed in Dallas.

1936 - President Franklin D. Roosevelt attends opening ceremonies of the Texas Centennial at Fair Park and unveils equestrian statue of Confederate General Robert E. Lee at Oak Lawn (now Lee) Park.

1937 - Dallas hosts the Greater Texas and Pan American Exposition at Fair Park.

1938 - Dallas Historical Society assumes management of the Hall of State.

1940 - Mexican Chamber of Commerce is organized. Population of Dallas is 294,734.