1895 Oil refinery is built at Casper. Dupont Powder Company begins development of soda deposits in Wyoming. 1896 Hot Springs is purchased from Shoshone Indians. 1897 First Cheyenne Frontier Day is celebrated. 1898 New penitentiary is completed at Rawlins.
Legislature enacts law taxing migratory stock from adjoining States.
1901 Stinking Water River is renamed Shoshone by the legislature. Tom Horn is hanged in Cheyenne. Governor's Mansion is ready for occupancy. State Fair is established at Douglas. 1906 Riverton townsite is thrown open to settlers.