1. The Phoenix Suns NBA team was founded on March 9, 1968. The team has been a staple of Arizona sports culture for over 50 years, and has had many successful seasons, including reaching the NBA Finals twice.

2. Arizona State University was established on March 9, 1885. The school has grown significantly since then, and is now the largest public university in the United States by enrollment.

3. On March 9, 1912, President William Howard Taft signed the Arizona Statehood Bill, officially making Arizona the 48th state in the union. This event is often celebrated as Arizona Statehood Day.

4. March 9, 1897 was the birth date of Arizona's first female governor, Rose Mofford. She served in this capacity between 1988-1991 as a Democrat, and was known for her advocacy for education and environmental conservation.

5. In 1881, the Tombstone Epitaph newspaper reported on the infamous shootout at the O.K. Corral that took place on October 26, 1881. The iconic event, which involved lawmen Wyatt Earp, Doc Holliday, and the outlaw Clanton gang, occurred in Tombstone, Arizona, and has since become a significant piece of American Western folklore.