1. Nevada Statehood Day: July 23, 1864, marks the day Nevada became the 36th state in the United States of America. In celebration of this historic event, Nevada celebrates its statehood day each year on July 23.

2. Birth of Las Vegas: On July 23, 1905, a land auction was held that would transform the small desert town of Las Vegas. The auction was held by the San Pedro, Los Angeles, and Salt Lake Railroad, sparking a flurry of new businesses and growth in the area that would eventually become Las Vegas.

3. Atomic Testing: On July 23, 1962, the United States conducted its last above-ground nuclear test in Nevada. The test, known as "Little Feller I," was part of the larger Operation Sunbeam and marked the end of a decades-long era of above-ground testing in the state.

4. Virginia City Fire: On July 23, 1875, a massive fire broke out in the historic mining town of Virginia City, Nevada. The fire destroyed over 100 buildings in the town, which was one of the richest silver mining areas in the United States at the time.

5. Hoover Dam Bridge Opens: On July 23, 2010, the Mike O'Callaghan–Pat Tillman Memorial Bridge, also known as the Hoover Dam Bridge, officially opened for traffic. The bridge spans the Colorado River and connects Arizona and Nevada, providing a much-needed transportation upgrade for the region.