1. Black Canyon Dam Completion: On July 13, 1936, the construction of the Black Canyon Dam was finished after three years of hard work. The dam, which was built on the Colorado River between Arizona and Nevada, provides hydroelectric power to the nearby towns and cities.

2. Las Vegas Founded: On July 13, 1905, the city of Las Vegas was founded. The city was founded when a land auction was conducted by the San Pedro, Los Angeles and Salt Lake Railroad. The auction was held at the site of the future city, which was then known as Clark's Las Vegas Townsite.

3. Wildfire in Lake Tahoe: On July 13, 2007, a wildfire broke out in Lake Tahoe, Nevada. The fire, which was caused by lightning, burned for more than two weeks and destroyed more than 200 homes in the area.

4. Battle of Goldfield: On July 13, 1907, the Battle of Goldfield took place in Goldfield, Nevada. The battle was fought between striking miners and the local sheriff's office. The miners were protesting against low wages and dangerous working conditions.

5. Hoover Dam Construction: On July 13, 1931, construction began on the Hoover Dam. The dam, which was built on the Colorado River between Nevada and Arizona, is one of the largest dams in the world. The dam provides hydroelectric power to several nearby cities and states, including Nevada, Arizona and California.