1. Arizona State Flag Adopted: On October 24, 1911, the state of Arizona officially adopted its own state flag. The design features a copper star in the center representing the state's copper industry, and thirteen rays of red and gold representing both the thirteen original colonies and the sunsets of the western United States.

2. First Telephone Exchange in Phoenix: On October 24, 1880, the Phoenix Telephone Exchange was established. It was the first telephone exchange in the city and one of the first in the Southwest. At the time, the exchange had only twelve lines, but it quickly expanded as more people in the city began to use the telephone.

3. Grand Canyon National Park Established: On October 24, 1919, the Grand Canyon National Park was established. The park covers over 1.2 million acres and receives over 6 million visitors each year. It is home to a variety of plants and animals, as well as unique rock formations that have been sculpted by millions of years of erosion.

4. Native American Day: On October 24, 1976, Governor Raul Castro declared the day as Native American Day in Arizona. The day recognizes the contributions and cultural heritage of the state's Native American communities. Today, many Native American tribes hold traditional events and celebrations on this day.

5. First Public Television Station: On October 24, 1959, KAET-TV, the first public television station in Arizona, began broadcasting. The station, which is part of Arizona State University, provides educational programming to the Phoenix metropolitan area and the state of Arizona. Today, the station is known as Arizona PBS and continues to provide educational programming to viewers of all ages.