1. In 1863, Idaho Territory was established by an act of Congress. This made Idaho the 43rd state to be organized in the United States.

2. In 1903, the Coeur d'Alene miner's strike became one of the largest labor disputes in Idaho's history. The strike, which involved over 5,000 miners, lasted ten months and ended with a victory for the miners.

3. In 1911, the Idaho State Capitol building was completed in Boise. The building was designed by local architect John E. Tourtellotte and features classic Greek and Roman architectural elements.

4. In 1978, the Teton Dam in eastern Idaho collapsed, causing one of the most significant natural disasters in Idaho's history. The failure of the dam resulted in the deaths of 11 people and caused over $500 million in property damage.

5. In 2017, the Women's March on Idaho took place in Boise, along with similar marches across the country. The march, which was held the day after Donald Trump's inauguration, drew an estimated 5,000 participants and was one of the largest political demonstrations in Idaho's history.