THE IRON HORSE (1924)

The film is about the construction of the American first transcontinental railroad. It depicts Irish, Italian, and Chinese immigrants, as well as African Americans, as the men who did the backbreaking work that made this feat possible. The primary villain is an unscrupulous businessman who masquerades as a renegade Cheyenne. It culminates with the scene of driving of the golden spike at Promontory Summit on May 10, 1869.