USA HISTORY

Detailed explanation-1: -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-2: -Central Pacific Railroad began operating freight and passenger trains over the first 31 miles of track to Newcastle in June 1864. The line began in Sacramento, the railroad’s western terminus. But as the railroad continued through the foothills of the Sierras, construction became more difficult.

Detailed explanation-3: -The Central Pacific began laying track eastward from Sacramento, California, in 1863, and the Union Pacific started westward from Omaha, Nebraska, two years later.

Detailed explanation-4: -The story goes that on May 10, 1869, the Central Pacific Railroad’s tracks from the west were connected to the Union Pacific Railroad’s tracks from the east in Promontory Summit, Utah.