1. On May 24, 1866, the first stagecoach in Idaho arrived in Boise, marking the beginning of regular stagecoach service to the city. This service would prove crucial in facilitating trade and travel throughout the region in the years to come.

2. May 24, 1887 saw the laying of the cornerstone for the Idaho State Capitol building in Boise. The grand neoclassical structure would take years to complete, but would ultimately become one of the most iconic landmarks in the state.

3. Idaho's largest earthquake on record occurred on May 24, 1949, when a magnitude 6.1 tremor shook the Challis area. The earthquake caused significant damage to buildings and infrastructure in the region, but thankfully resulted in no fatalities.

4. On May 24, 2001, the United States Postal Service issued a commemorative stamp honoring Sacajawea, the Shoshone woman who played a key role as a guide and interpreter during the Lewis and Clark Expedition. Sacajawea is perhaps the most well-known figure in Idaho history, and her contributions to the early exploration of the American West are widely celebrated.

5. May 24, 2005 saw the dedication of the Minidoka Internment National Monument, which recognizes the unjust forced relocation and internment of Japanese Americans during World War II. The monument is located near Jerome, Idaho, and serves as a reminder of the importance of protecting the civil liberties of all Americans, even in times of national crisis.