This Day In History: May 10

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This Day in History Video: What Happened on May 10

Photo Credit: Getty Images / GraphicaArtis / Contributor

In This Day in History video clip: In 1869, the presidents of the Union Pacific and Central Pacific railroads meet in Promontory, Utah, and drive a ceremonial last spike into a rail line that connects their railroads. This made transcontinental railroad travel possible for the first time in U.S. history.

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