1. Arizona Statehood Day: February 22 marks Arizona Statehood Day, which celebrates the day when Arizona officially became the 48th state in the United States in 1912.

2. Tombstone Shootout: On February 22, 1881, the infamous gunfight at the O.K. Corral occurred in Tombstone, Arizona. The 30-second shootout involved the Earp brothers and Doc Holliday against the Clanton and McLaury brothers and left three dead and three wounded.

3. Carl Hayden's Birthday: On February 22, 1877, Carl Hayden was born in Tempe, Arizona. Hayden served as a U.S. Representative for 57 years and was instrumental in the creation of the Hoover Dam and the Central Arizona Project.

4. Gold Rush: On February 22, 1863, prospectors discovered gold in the Bradshaw Mountains in Arizona. The discovery led to a mini-gold rush and the development of the town of Prescott.

5. First Women's Air Derby: On February 22, 1929, the first Women's Air Derby began in Santa Monica, California, and ended in Cleveland, Ohio. The race, which was also known as the Powder Puff Derby, included eight women pilots, including Arizona's own Ruth Elder.