1. In 1870, the Virginia and Truckee Railroad was completed between Reno and Carson City, becoming the first railroad in Nevada. This was a significant moment in Nevada's transportation history, as it allowed for easier movement of goods and people across the state.

2. On May 30, 1917, the famous aviator Charles Lindbergh made his first solo flight at the age of 15 in Nevada. Lindbergh's flight took place in a Curtiss JN-4 "Jenny" biplane in the skies above Las Vegas.

3. In 1921, the Silver Peak Mining District was established in Esmeralda County, which remains one of the state's largest mining districts. It is known for its rich deposits of silver, gold, and other minerals.

4. On May 30, 1923, a total solar eclipse crossed over Nevada, providing a rare and unique astronomical event that was visible to people across the state. The eclipse was notable for its scientific importance, as astronomers were able to study the sun's corona and other features.

5. In 1961, the United States successfully detonated a nuclear bomb in a below-ground test at the Nevada Test Site on May 30. This was one of many nuclear tests conducted in Nevada during the Cold War era, which had a profound impact on the state's environment and the health of nearby communities.