What year was the Transcontinental Railroad completed?

The Transcontinental Railroad was completed in 1869, marking a significant event in American history. This railroad connected the eastern United States with the western territories, facilitating westward expansion, commerce, and travel. The completion of the railroad was celebrated on May 10, 1869, with the driving of the Golden Spike at Promontory Summit in Utah. This moment represented not only an engineering triumph but also a transformative moment for American society, as it significantly reduced travel time across the country and contributed to economic growth and the movement of people and goods.