1. On May 22, 1885, the Arizona Territorial Legislature passed a bill that created the Arizona Agricultural Experiment Station. This station was created to conduct research on agricultural and horticultural topics that were relevant to the state's climate and geography.

2. In 1910, a devastating fire broke out in the town of Safford, Arizona, on May 22. The fire burned down nearly half of the town and left many residents homeless. Despite the destruction, the town was able to rebuild and thrive thanks to the resilience of its residents.

3. On May 22, 1969, a group of Native American activists led by Richard Oakes occupied Alcatraz Island in San Francisco Bay. The occupation lasted for more than a year and raised awareness for Native American rights across the country, including in Arizona.

4. The Arizona Diamondbacks, a Major League Baseball team based in Phoenix, played their first ever game on May 22, 1998. The team made history by winning their first game against the Colorado Rockies, making them the fastest expansion team to win their first ever game in the modern era of baseball.

5. On May 22, 2010, the Wallow Fire broke out in eastern Arizona, becoming one of the largest wildfires in the state's history. The fire burned for nearly two months and consumed more than 500,000 acres of land. Despite the destruction, no lives were lost, and the area has since started to recover.