1. On January 9, 1858, the first post office was established in Nevada, in Carson City. The post office played a crucial role in connecting the people of Nevada with the rest of the country, as well as in facilitating communication, commerce, and development in the state.

2. In 1915, on January 9, the town of Rhyolite, Nevada, was officially abandoned. Rhyolite was once a thriving mining town that boasted a population of over 10,000 people, but its fortunes quickly declined and the town was eventually abandoned when the mines ran dry.

3. January 9, 1937, marks the date of a tragic airplane crash in Reno, Nevada. The accident claimed the lives of all 13 people on board, including the crew and passengers. It was one of the deadliest air disasters in Nevada history and a stark reminder of the dangers of air travel in the early days of commercial aviation.

4. On January 9, 1941, the Hoover Dam construction was officially completed. The Hoover Dam is one of the most iconic engineering feats in American history, and its completion marked a major milestone in the development of the Southwest region. The dam generates electricity, controls flooding, and provides water for irrigation, making it a vital part of the region's infrastructure.

5. Finally, on January 9, 1957, the Nevada State Museum and Historical Society was officially established. The museum is dedicated to preserving and showcasing the history of Nevada, from the prehistoric era to modern times. It features exhibits on mining, ranching, Native American culture, and more, providing visitors with insight into the rich and diverse history of the state.