Diplomacy in Action. Sanctioned Entities List. The Department of State has sanctioned the following entity for its commercial activities in Iran, pursuant to its authorities under the Iran Sanctions Act of 1996, as amended.
The two railroad companies involved in the transcontinental  railroad were the Union Pacific and the Central Pacific. They  completed the track on May 10, 1869 at Promontoryâ¦ Summit, Utah.
On May 10, 1869, at Promontory Summit, Utah, a golden spike was hammered into the final tie. The transcontinental railroad was built in six years almost entirely by hand. Workers drove spikes into mountains, filled the holes with black powder, and blasted through the rock inch by inch.