1. Idaho becomes a state: May 5, 1890, is a landmark date in Idaho history as it marks the day when Idaho officially became a state of the United States. Prior to that, Idaho was a territory that had been created by the federal government on March 4, 1863.

2. Hayman Fire: May 5, 2000, is known as the day when the devastating Hayman Fire began in the Pike National Forest in Colorado. Although the fire did not directly affect Idaho, it had a significant impact on the state's forestry industry, as many Idaho firefighters and resources were deployed to help contain the blaze.

3. The opening of the Boise Greenbelt: May 5, 1967, was the day when the Boise Greenbelt officially opened to the public. The Greenbelt is a series of parks and trails that run along the Boise River, providing residents and visitors with an opportunity to enjoy the outdoors and stay active.

4. Birth of the Idaho State Police: On May 5, 1939, the Idaho State Police was established by the state legislature. The agency was created to ensure public safety and enforce state laws, and has since become an integral part of Idaho's law enforcement community.

5. Evel Knievel jumps the Snake River Canyon: On May 5, 1974, legendary daredevil Evel Knievel attempted to jump the Snake River Canyon in a rocket-powered vehicle. Although the jump was unsuccessful, it remains one of the most iconic events in Idaho history and a testament to Knievel's fearless spirit.