1. In 1903, the first car was registered in Arizona. The car, a Haynes-Apperson, was registered to Arizona's Territorial Governor Alexander Brodie.

2. On September 8, 1924, Yuma experienced a temperature of 124 degrees Fahrenheit, the highest temperature ever recorded in Arizona.

3. In 1930, the Hoover Dam in Nevada was officially dedicated by President Herbert Hoover. Arizona played a significant role in the construction of the dam, which provides water and electricity to several southwestern states.

4. In 1966, the "Arizona Republic" newspaper published an article interviewing Charles "Wag" Conner, a retired cowboy who claimed to have been a member of the infamous Hole-in-the-Wall Gang, a group of outlaws that included Butch Cassidy and the Sundance Kid.

5. On September 8, 2018, the Arizona Cardinals football team played their first game of the season, defeating the Washington Redskins 24-6. The game marked the NFL debut of Cardinals' quarterback Josh Rosen.