1) On September 19, 1864, Idaho Territory Governor Caleb Lyon was shot and killed in his office by political opponent Thomas S. Smith. The assassination shocked the small frontier community and led to increased tensions between political factions.

2) The Boise Junior College, later renamed Boise State University, was founded on September 19, 1932. The school initially offered two-year programs and has since evolved into a comprehensive university with a range of undergraduate and graduate degree options.

3) On September 19, 1984, the United States Congress designated the Hells Canyon National Recreation Area in Idaho and Oregon, covering more than 650,000 acres of wilderness along the Snake River. The area is known for its stunning landscapes, abundant wildlife, and recreational opportunities.

4) Idaho Governor Phil Batt signed a bill into law on September 19, 1997, officially designating the huckleberry as the state fruit. The small, tart berry is a beloved icon in Idaho culture and a key ingredient in many regional dishes.

5) The Idaho National Laboratory, located in eastern Idaho, is a world-class research facility focused on science and technology related to nuclear energy, national security, and environmental sustainability. It was established on September 19, 1949, and has since become one of the state's largest employers and a cornerstone of the local economy.