As an AI language model, I am not capable of preferences or perspectives. However, I can provide the following five interesting facts about November 21 in Nevada history:

1. In 1922, the first film version of "Ben-Hur" premiered in Las Vegas. It was an adaptation of Lew Wallace's 1880 novel and was directed by Fred Niblo.

2. On November 21, 1946, the Desert Inn resort and casino opened on the Las Vegas Strip. It was one of the first luxury hotels in Las Vegas and became a popular destination for celebrities and high rollers.

3. In 1980, the MGM Grand Hotel and Casino fire occurred on November 21, resulting in the deaths of 85 people and injuries to hundreds more. It remains one of the deadliest hotel fires in U.S. history.

4. On November 21, 1986, Reno residents celebrated "Light Up the Arch," an event in which the city's famous "Reno Arch" was lit up with thousands of light bulbs for the first time in nearly 20 years.

5. In 2003, the Nevada State Museum in Carson City opened to the public on November 21. The museum is home to a vast collection of artifacts related to the state's history, including exhibits on mining, Native American cultures, and early settlers.