1. In 1863, the first territorial legislature of Idaho convened in Lewiston. They were tasked with creating a government for the newly formed territory and determining the location of its capital.

2. In 1905, the state of Idaho passed a law prohibiting prizefighting. This law was challenged in court in 1910 when heavyweight boxing champion Jack Johnson was scheduled to fight in Boise. The fight was ultimately canceled due to the legal uncertainty surrounding the law.

3. In 1934, the United States government established the Fort Hall Indian Reservation in southeastern Idaho. The reservation was created for the Shoshone-Bannock tribes, who had originally occupied the area before white settlers arrived.

4. In 1961, the first ski lift was installed at Sun Valley Resort. Sun Valley was the first ski resort in the United States and has been a popular destination for skiing and snowboarding ever since.

5. In 1991, the Gem State was hit by a major winter storm that brought heavy snow and freezing temperatures. The storm caused widespread power outages and transportation disruptions, and resulted in several deaths due to hypothermia.