1. In 1859, the first issue of the Territorial Enterprise newspaper was published in Genoa, Nevada. The newspaper would later gain fame for publishing Mark Twain's early works.

2. On October 25, 1940, the Hoover Dam was officially dedicated by President Franklin D. Roosevelt. The dam, which spans the Colorado River, was a major engineering accomplishment of the time.

3. In 1965, the University of Nevada, Las Vegas was founded. The university has since grown to become one of the largest employers in the state, and is known for its research in fields such as hospitality and gaming.

4. On October 25, 1983, the MGM Grand Hotel and Casino in Las Vegas suffered a massive fire that killed 85 people and injured over 700. The tragedy led to stricter fire safety codes in Nevada and across the country.

5. In 2017, the first recreational marijuana dispensaries opened in Nevada, after voters approved a ballot initiative legalizing the drug. October 25 of that year marked a milestone for the state's nascent cannabis industry.