1. In 1908, a fire broke out in the Opera House in Elko, Nevada, killing 29 people and injuring many others. The fire started after a stage light fell onto a combustible curtain, causing it to ignite. This led to a statewide reform of building codes and the installation of more fireproof materials in public buildings.

2. In 1943, the Las Vegas Army Airfield (now Nellis Air Force Base) was established. It served as a training center for the United States Army Air Forces during World War II, and later became the site of the United States Air Force Warfare Center.

3. On October 5, 1962, the Sahara Hotel and Casino in Las Vegas hosted the first French nuclear test. The French government detonated a nuclear bomb in the atmosphere over the Pacific Ocean, approximately 750 miles away from the Nevada desert.

4. In 1971, the Pioneer Club in downtown Las Vegas closed its doors after 25 years of operation. The casino, known for its famous Vegas Vic neon cowboy sign, was a popular destination for tourists and locals alike.

5. In 2017, the Route 91 Harvest music festival in Las Vegas was the site of the deadliest mass shooting in modern American history. A lone gunman opened fire on the crowd, killing 58 people and injuring hundreds more. The tragedy sparked renewed debate about gun control and public safety measures.