1. In 1910, the Reno Arch was erected on Virginia Street in downtown Reno to celebrate the completion of the Victory Highway, a transcontinental auto route spanning from New York City to San Francisco.

2. On May 9, 1958, Nevada became the first state to resume above-ground nuclear testing after a two-year moratorium. The test, called "Grapple," took place at the Nevada Test Site and was the first of a series of hydrogen bomb tests conducted by the United States during the Cold War.

3. The Nevada State Museum in Carson City opened its current location on May 9, 1987. The museum features exhibits on the natural and cultural history of Nevada, including displays on mining, gaming, and Native American cultures.

4. In 2015, the world's first commercial drone delivery took place in Hawthorne, Nevada. A drone operated by Australian drone company Flirtey delivered medical supplies to a remote health clinic located miles away from the nearest hospital.

5. The Great Reno Balloon Race, one of the largest hot air balloon festivals in the nation, has been held annually on the second weekend in September since 1982. However, in 1998, the event was moved to May 9-10 due to a scheduling conflict with the World Hot Air Balloon Championships. This year marked the only time in the event's history when it was held in May instead of September.