1. Idaho became the 43rd state of the United States on November 16, 1889. It was initially founded as a territory in 1863 and remained one until statehood was granted.

2. The first ski resort in the United States west of the Mississippi, Sun Valley, opened on November 16, 1936. The resort, located in central Idaho, has been a popular destination for skiing, snowboarding, and other winter activities ever since.

3. On November 16, 1907, a mass lynching of IWW (Industrial Workers of the World) members occurred in the town of Canyon Creek. The IWW members had been arrested for allegedly interfering with free speech and assembly and were taken from the jail by a mob and hanged from a bridge.

4. The Idaho National Laboratory (INL) was formally established on November 16, 1949. The INL is a research facility located in eastern Idaho that focuses on nuclear research, energy production, and national security.

5. On November 16, 1960, conservationist and environmentalist Sigurd Olson was awarded the prestigious John Burroughs Medal for his book "The Singing Wilderness". Olson was a prominent advocate for preserving wilderness areas, including those in Idaho, and his writings helped to promote and protect these areas.