After six years of brutal labor by tens of thousands of Chinese, Irish, and Mormon workers, the Union Pacific and Central Pacific tracks met in Utah's desert. The golden spike, tapped in before a crowd of dignitaries and telegraphed nationwide, symbolically ended the frontier isolation of the American West and cut coast-to-coast travel time from months to days.
The final spike was actually gold-plated iron, too soft to hammer properly, and Leland Stanford reportedly missed it on his first ceremonial swing—an anticlimax the assembled crowd politely ignored. A telegraph operator tapped out "DONE" the moment the real spike went in, and the message rippled across the country in seconds, triggering cannon salutes in San Francisco and church bells in Manhattan.
The railroad had been built by two competing companies racing toward each other from opposite coasts, the Central Pacific from Sacramento relying heavily on Chinese immigrant laborers who blasted tunnels through the Sierra Nevada by hand, often suspended in baskets over sheer cliffs. Thousands died from explosions, avalanches, and disease, their contributions largely erased from the triumphant photographs taken that day, which show no Chinese workers at all.
The line collapsed a journey that once took four to six months by wagon into about a week, reshaping the American economy, enabling mass westward migration, and accelerating the displacement of Native American tribes whose lands the tracks bisected.