USA HISTORY

Detailed explanation-1: -After a washed-out bridge and a Union Pacific labor dispute delayed the ceremony for two days, the Union Pacific No. 119 and Central Pacific Jupiter met at Promontory Summit, Utah-drawn almost nose to nose and separated by the width of a single railroad tie.

Detailed explanation-2: -Transcontinental railroad completed, unifying United States On May 10, 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.

Detailed explanation-3: -As Central Pacific laid tracks eastward, Union Pacific was working westward and the race to Promontory Summit, Utah, where they would eventually meet on May 10, 1869, was on.

Detailed explanation-4: -The crowd cheers as Governor Leland Stanford drives the Golden Spike at Promontory Summit, Utah to complete the transcontinental railroad on May 10, 1869.