1. On February 29, 1908, the city of Las Vegas was officially incorporated. This came after a group of businessmen successfully petitioned the county commissioners to recognize Las Vegas as a municipality. Today, Las Vegas is one of the most famous cities in the world, known for its casinos, entertainment, and nightlife.

2. On February 29, 1980, the state of Nevada became the seventh state to ratify the Equal Rights Amendment (ERA). The ERA was a proposed amendment to the United States Constitution that would guarantee equal legal rights for all citizens regardless of gender. Although the ERA was never ratified by enough states to become part of the Constitution, Nevada's ratification was seen as a major victory for the women's rights movement.

3. On February 29, 1960, a United States Air Force B-52 bomber crashed into Trout Creek Mountain, just north of Las Vegas. The bomber was on a routine training mission when it crashed, killing all four crew members. The wreckage of the plane is still visible today, and is a popular spot for hikers and aviation enthusiasts.

4. On February 29, 1904, the mining town of Goldfield, Nevada experienced a devastating fire that destroyed most of the town's wooden buildings. Despite the loss, Goldfield was able to rebuild and continued to prosper as a gold-mining town into the early 20th century.

5. On February 29, 1936, legendary boxer Jack Dempsey retired from boxing. Dempsey had been one of the most iconic and successful boxers of the early 20th century, winning the world heavyweight title in 1919 and holding onto it until 1926. After his retirement, Dempsey moved to New York City and worked as a restaurateur and boxing commentator.