6h 25min, dec 15, 2017 y - Transcontinental Railroad
Description:
The First Transcontinental Railroad was a 1,912-mile continuous railroad line constructed between 1863 and 1869 that connected the existing eastern U.S. rail network at Omaha, Nebraska/Council Bluffs, Iowa with the Pacific coast at the Oakland Long Wharf on San Francisco Bay.
Added to timeline:
Date:
6h 25min, dec 15, 2017 y
Now
~ 6 years and 5 months ago