1. In 1931, Nevada legalized gambling, becoming the first state in the country to do so. This historic decision helped shape the state's economy and cement its reputation as a destination for tourism and entertainment.

2. On June 4, 1942, the Hawthorne Army Depot in western Nevada was commissioned as a major military installation. The depot played a crucial role in the World War II effort, serving as a storage and distribution center for ammunition and other supplies.

3. In 1969, the first Reno Rodeo was held on June 4. The event has become one of the largest rodeos in the country and is a major part of Nevada's western heritage.

4. On June 4, 1980, the MGM Grand hotel and casino in Las Vegas was hit by a devastating fire that killed 85 people and injured more than 700. The tragedy led to widespread changes in building codes and safety regulations for hotels and other public buildings.

5. In 2018, on June 4, Nevada became the fifth state to legalize the recreational use of marijuana. The decision marked a significant shift in the state's approach to drug policy and has had a significant impact on the economy and social landscape of the state.