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.
The first transcontinental railroad built by the Central Pacific and the Union Pacific was officially completed on May 10, 1869. It was on that date that the gold spike was dr â¦ iven at Promontory, Utah.