1. In 1792, explorer and fur trapper Peter Skene Ogden was born in Quebec, Canada. Ogden would later establish Fort Boise in Idaho in 1834 and explore much of the western United States.

2. In 1864, the Idaho Territory was created by an act of the U.S. Congress. This followed the discovery of gold in the area ten years earlier, which led to a population boom and the need for political representation.

3. In 1885, the Montana and Idaho Central Railroad completed its line through the Bitterroot Mountains, connecting the silver mines of Butte, Montana to the rest of the world. This transportation link allowed for the rapid growth of mining and logging industries in the region.

4. In 1905, the Idaho State Capitol building was completed in Boise. The building, which features a dome modeled after the U.S. Capitol, has been the seat of Idaho government ever since.

5. In 1995, the deadliest avalanche in U.S. history occurred in Blaine County, Idaho, killing 12 people. The tragedy spurred the creation of the Northwest Avalanche Center, which provides forecasts and safety information for mountain communities across the region.