1. In 1914, Arizona became the first state to establish a minimum wage law. The law mandated that workers must receive at least $0.15 per hour, which was considered a significant improvement in working conditions at the time.

2. On January 13, 1952, the Arizona State Capitol was officially dedicated in Phoenix. The building, which was designed by prominent architect Edward T. Hurley, is now listed on the National Register of Historic Places.

3. In 1960, a major earthquake struck near Tucson, causing significant damage to buildings and roads across the region. The quake, which measured 5.6 on the Richter scale, was felt throughout much of southern Arizona.

4. On January 13, 1982, Arizona Governor Bruce Babbitt signed legislation that created the Arizona Lottery. The lottery has since become a popular source of revenue for the state, with proceeds going to support a variety of public programs and services.

5. In 1997, the Arizona Cardinals football team played its first game in its new home stadium, Sun Devil Stadium in Tempe. The stadium, which was built in 1958 and underwent extensive renovations in the 1980s and 1990s, was the team's home until it moved to State Farm Stadium in Glendale in 2006.