1870The population of Fort Worth reaches nearly 600.
1872Mark Twain recalls his western years in Roughing It.
1874Joseph Glidden invents barbed wire.
Discovery of gold in the Dakota Territory sets off the Black Hills Gold Rush.
Joseph Glidden makes a fortune selling barbed wire to farmers, which signals the beginning of the end of open-range cattle grazing.
Railroads begin using refrigerated cars regularly to ship meat from the Midwest stockyards to the East.
1876The railroad arrives in Fort Worth to cheers of citizens.