On this day in 1869 the transcontinental railroad was completed. Two railroad companies, Union Pacific and Central Pacific, connected their railways in Promontory, Utah. This made it possible to travel by train across the United States!
You can learn more about the transcontinental railroad at http://www.history.com/this-day-in-history/transcontinental-railroad-completed or by checking out books at the library such as:
Iron Rails, Iron Men, and the Race to Link the Nation by Martin W. Sandler: (Juvenile Nonfiction j385.097 SANDLER) In one great race between iron men with iron wills, tens of thousands of workers blasted the longest tunnels that had ever been constructed, built the highest bridges that had ever been created, and finally linked the nation by two bands of steel, changing America forever.