1. On July 25, 1867, the United States Army established Fort Apache in the White Mountains of eastern Arizona. The fort served as a key location in the Indian Wars against the Apache people.

2. In 1913, the Arizona state legislature passed the "Free Speech Law," which guaranteed citizens the right to free speech and assembly in public spaces. This law was a response to the suppression of labor unions and strikes in the state.

3. The first Miss Navajo Nation pageant was held on July 25, 1952, in Window Rock, Arizona. The pageant celebrates Navajo culture and traditions and promotes the education and empowerment of Navajo women.

4. On July 25, 1960, the Arizona Cardinals (then known as the Chicago Cardinals) played their first preseason game in Prescott, Arizona, against the Dallas Cowboys. The Cardinals would later move to St. Louis and then to their current home in Glendale, Arizona.

5. In 2000, the Cerro Grande Fire, one of the largest wildfires in New Mexico history, was finally contained on the Arizona border after burning over 200 homes and nearly 50,000 acres of land. The fire was caused by a prescribed burn that got out of control and eventually spread into Arizona.