Historic black-and-white photo of a group of Chinese American railroad workers, some wearing hats, who contributed to building the Transcontinental Railroad.

How the transcontinental railroad was built

Many marginalized groups contributed to railroad construction, including Chinese immigrants and Native Americans.
Encyclopædia Britannica, Inc.
  • Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Neeraj Charurvedi/Dreamstime.com
    Learn about India's efforts to improve its education system, 2009 film.
  • Contunico © ZDF Studios GmbH, Mainz
    Commuters in the Tokyo area depend on rail transportation, and most pass through Shinjuku station.
  • © Open University (A Britannica Publishing Partner)
    Learn about the future of quantum technology.
  • Contunico © ZDF Studios GmbH, Mainz; Thumbnail © Blanscape/Dreamstime.com
    Learn about the technology used in Tokyo's railway system.