1891 The Wyoming Agricultural Experiment Station was established March 27, 1891, in accordance with an act of the State Legislature, as a department of the Agricultural College of the University of Wyoming.
1964 "The area around Van Tassell, near the Nebraska State line, felt a moderate earthquake on March 27, 1964. Doors and dishes rattled and furniture vibrated (MM V). Thunderlike noises were heard. The tremor was also felt in parts of western Nebraska and South Dakota." More information regarding Wyoming 's Earthquake history can be found here.