1. In 1912, Arizona became the 48th state in the United States. After struggling for years to gain statehood, Arizona was finally granted statehood on September 5, 1912. This historic event was celebrated across the state with parades, speeches, and fireworks.

2. The Salt River Project was established on September 5, 1903. This water management system coordinates the use of Salt River water for irrigation, power generation, and municipal use across the Phoenix metropolitan area. Today, the Salt River Project is one of the largest public power utilities in the country.

3. On September 5, 1961, astronaut James A. McDivitt flew the first manned space flight from Arizona. With his pilot David R. Scott, McDivitt completed a suborbital flight aboard the Little Joe II rocket from White Sands Missile Range in New Mexico. This flight marked an important milestone in space exploration for the United States.

4. The Petrified Forest National Park was established on September 5, 1962. Located in northeastern Arizona, the park contains one of the largest and most colorful concentrations of petrified wood in the world. Visitors to the park can also view ancient fossils, stunning rock formations, and vibrant desert landscapes.

5. On September 5, 1934, the first Route 66 shield was erected in Arizona. Route 66, also known as the "Mother Road," was a historic highway that connected Chicago, Illinois to Santa Monica, California. The road played an important role in the development of the American West and became an iconic symbol of American freedom and adventure. Today, Route 66 is a popular destination for road trippers and history buffs alike.