1. In 1916, the first edition of the Arizona Daily Star was published. The newspaper would become a major source of news and information for Arizonans for more than a century.

2. On October 16, 1923, the Hoover Dam project officially began. The massive construction project would take more than five years to complete and would provide hydroelectric power and water storage for the Southwest.

3. In 1962, Arizona became the last state in the contiguous United States to gain a major league sports team when the Phoenix Suns were founded. The Suns have since become a beloved franchise in the NBA and have made several appearances in the NBA Finals.

4. On October 16, 1975, Princess Grace of Monaco visited Jerome, Arizona. The actress-turned-royalty was in town to preside over the Jerome Historical Society's annual fall festival.

5. In 2008, Arizona Senator John McCain and then-Senator Barack Obama debated at Hofstra University in New York. The debate covered a wide range of topics, including the economy, foreign policy, and the war in Iraq.