1. In 1914, the Nevada State Legislature passed the Silver Dollar Coinage Act, which authorized the minting of silver dollars at the Carson City Mint. This act was passed in response to the shortage of silver dollars in circulation and to stimulate the state's economy.

2. In 1954, the Las Vegas Strip's first hotel-casino, the El Rancho Vegas, opened its doors. The hotel-casino featured a western theme and included a casino, dining options, and live entertainment. It was a popular destination for tourists and helped establish the Las Vegas Strip as a major tourism destination.

3. On April 27, 1962, a major earthquake measuring 6.8 on the Richter scale struck the town of Ely, Nevada. The earthquake caused significant damage to buildings and infrastructure in the town and surrounding areas. It was one of the largest earthquakes ever recorded in Nevada.

4. Nevada's Great Basin National Park was established on April 27, 1986. The park encompasses over 77,000 acres of scenic terrain and is home to numerous plant and animal species. Visitors can hike trails, explore caves, and stargaze in the park's Dark Sky-designated areas.

5. In 2015, the Nevada State Assembly passed a law allowing for the testing of autonomous vehicles on public roads. This law made Nevada one of the first states in the US to legalize the testing of self-driving cars. It paved the way for other states to enact similar legislation and helped establish Nevada as a center for autonomous vehicle technology development.