Timeline of Cheyenne, Wyoming
The following is a timeline of the history of the city of Cheyenne, Wyoming, USA. == 19th century == 1867 July 4: Union Pacific Railroad sets up mountain region headquarters at Crow Creek Crossing, later known as Cheyenne. August 10: H. M. Hook elected mayor.
Source: Wikipedia — Timeline of Cheyenne, Wyoming (CC BY-SA 4.0)