1. May 17, 1869: The Central Pacific Railroad is completed in Nevada, connecting California to the eastern United States by rail for the first time. This landmark achievement marked the culmination of years of difficult construction work and made cross-country travel much easier and faster.

2. May 17, 1954: The United States government signs a treaty with the Duckwater Shoshone Tribe, officially recognizing their right to self-determination and providing them with federal funding for programs and services. The treaty marked a significant step forward in the fight for Native American rights and representation.

3. May 17, 1976: The first annual Reno Air Races are held in Nevada, featuring thrilling displays of acrobatic flying and high-speed racing. The event has since become a beloved tradition in the state, drawing thousands of spectators and participants each year.

4. May 17, 1987: The Smith Center for the Performing Arts in Las Vegas officially opens its doors, providing the city with a state-of-the-art performance venue for everything from Broadway musicals to orchestral concerts. The center has since become one of the most important cultural institutions in the region.

5. May 17, 2018: The U.S. Supreme Court strikes down the Professional and Amateur Sports Protection Act, which had prohibited most states from legalizing sports betting. The ruling paved the way for Nevada and other states to legalize and regulate sports gambling, generating significant economic benefits and sparking intense debates over the social and moral implications of the practice.