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.
After a seven-year sprint and major, often heroic human effort, the first phase of construction of the transcontinental railroad had its watershed moment on May 10, 1869, when the Central Pacific and the Union Pacific railways joined at Promontory Point, Utah.