1. The Nevada State Asylum for the Insane was established on September 3, 1885. The facility, also known as the Nevada Mental Hospital, was built in Reno and was one of the largest mental health institutions in the country at its peak.

2. On September 3, 1861, the Battle of Dry Creek occurred during the American Civil War. A Union cavalry detachment clashed with a Confederate force in Washoe County, and the Union troops ultimately emerged victorious. This was the only Civil War battle fought in Nevada.

3. The Hoover Dam, located on the border between Nevada and Arizona on the Colorado River, was dedicated on September 3, 1935. The dam was named after President Herbert Hoover and stands as a symbol of American engineering and industrial prowess.

4. The Nevada State Museum in Carson City opened its doors to the public on September 3, 1941. The museum's collections include artifacts and exhibits on Nevada's natural and cultural history, including displays on the state's mining industry and indigenous peoples.

5. The University of Nevada, Las Vegas (UNLV) was established on September 3, 1957. The university has grown to become one of the largest institutions of higher education in the state, with programs and research spanning a wide range of fields, from hospitality and gaming to engineering and medicine.