1. Atomic Age Begins in Nevada: On July 20, 1962, the United States conducted its last atmospheric nuclear weapons test at the Nevada Test Site, marking the end of the Atomic Age in Nevada. The test, called "Little Feller I," was a low-yield missile test that exploded approximately 2,000 feet above the desert floor.

2. Wildfire Devastates Nevada Town: On July 20, 2018, the Martin Fire sparked in northern Nevada's Humboldt County, burning over 435,000 acres and destroying multiple homes and livestock. The fire was one of the largest in Nevada history and took over a month to fully contain.

3. First Female Governor Takes Office: On July 20, 1999, governor-elect Kenny Guinn stepped down from his position in the Nevada Senate to be sworn in as Nevada's 27th governor, making him the first governor to move directly from the legislature to the governorship. Guinn's inauguration also marked the first time a woman, Lorraine Hunt, served as lieutenant governor in the state's history.

4. Nevada Hosts First Outdoor Arena Performance: On July 20, 1973, the MGM Grand Hotel opened its doors as the largest hotel in the world at the time and hosted the first outdoor arena performance in the state's history. Elvis Presley performed at the hotel's new outdoor venue, drawing over 28,000 fans.

5. Nevada Became a State: On July 20, 1864, Nevada became the 36th state to join the Union after President Abraham Lincoln signed the statehood proclamation. The state's mining industry played a significant role in the decision to grant statehood, as it was a key supplier of silver and gold during the Civil War.