1. On July 10, 1890, Idaho officially became the 43rd state in the United States. The statehood celebration took place in Boise and included a parade, fireworks, and a grand ball.

2. In 1928, groundbreaking ceremonies were held for the Old Idaho State Penitentiary in Boise. The prison was in operation until 1973 and housed some of Idaho's most infamous criminals, including Lyda Southard, known as "Lady Bluebeard" for her alleged murders of multiple husbands.

3. On July 10, 1938, the Idaho State Capitol building in Boise was dedicated. The building had been under construction for nearly a decade and was designed by New York architects John E. Tourtellotte and Charles Hummel.

4. In 1985, Idaho Governor John V. Evans signed into law the "Idaho Human Rights Act," which prohibited discrimination based on race, religion, and other factors. The law was a major milestone for civil rights in the state.

5. On July 10, 1996, a massive wildfire known as the "Buffalo Creek Fire" began in the Frank Church River of No Return Wilderness in central Idaho. The fire eventually burned over 10,000 acres and was fought by over 1,000 firefighters. It was one of the largest wildfires in Idaho history at the time.