1. Statehood Day: January 19, 1864 marks the day when Nevada officially became a state, making it the 36th state of the United States. This date is celebrated annually as Statehood Day.

2. First Legal Gambling: On January 19, 1931, the state of Nevada legalized gambling, becoming the first state to do so. This decision paved the way for the state's gambling industry to become one of the largest in the world, with Las Vegas becoming a world-famous destination for casinos and entertainment.

3. Hoover Dam: On January 19, 1935, the Hoover Dam was completed. This engineering marvel was built during the Great Depression and was the largest concrete structure in the world at the time of its completion.

4. Sahara Casino Opens: On January 19, 1952, the Sahara Casino opened on the Las Vegas Strip. The iconic casino, known for its Moroccan theme and signature camel statues, was a popular spot for celebrities and locals alike.

5. International Marketplace: On January 19, 1979, the International Marketplace opened in Las Vegas. The mall, which was located on the Strip, featured a variety of shops and restaurants from around the world and was a popular tourist destination for many years.