1. On February 1, 1865, the Idaho territorial legislature approved the formation of Idaho County, which included most of the present-day Idaho Panhandle and western Montana.

2. In 1881, the first winter carnival was held in the town of McCall, Idaho. The event included skiing, ice skating, and snowshoeing competitions, as well as a parade and ball.

3. On February 1, 1890, Idaho became the 43rd state in the United States. At the time, it had a population of around 88,000 people.

4. In 1910, the largest silver nugget ever found in Idaho was discovered near the town of Wardner. The nugget weighed approximately 1,790 ounces and was worth around $6,500 at the time.

5. On February 1, 1976, the Idaho Supreme Court ruled that the state's school funding system was unconstitutional. The ruling led to significant changes in the way that schools were funded and helped to improve educational opportunities for students across the state.