1954 Wyoming's first television station is opened in Cheyenne.

1978 Largest radio telescope in the world built on Jelm Mountain.

1979  July 16: Cheyenne hit by devastating tornado.

1979-80 Cheyenne receives record snowfall amount – 121 inches.

1987 Cutthroat Trout adopted as Wyoming State Fish; Knightia adopted as Wyoming State Fossil.

1988 More than one million acres burn during Yellowstone National Park fires. Drinking age raised to 21 years.

1989 Richard (Dick) Cheney appointed as U.S. Secretary of Defense. Reorganization of State Government Act passed by Wyoming legislature.

1990 Wyoming celebrates Centennial. Legislature designates Martin Luther King, Jr./Wyoming Equality Day as a legal holiday.

1992  Voters approve term limitation initiative.

1995  Wolves reintroduced in Yellowstone.

1998  Former Wyoming Governor Mike Sullivan appointed Ambassador to Ireland.

2001  Richard (Dick) Cheney sworn in as Vice President of the United States.