October 1 is an important day in Arizona history, as it marks several significant events that have shaped the state's development over the years. Here are five interesting facts about October 1 in Arizona history:

1. On October 1, 1896, the Arizona Territory enacted a law prohibiting the ownership of more than six shooter guns. This was a response to the Wild West reputation of the territory and an attempt to curb violence in the region. However, the law was mostly unenforced and difficult to enforce, so it was eventually repealed in 1913.

2. October 1, 1910, marked the day that the first airplane landed in Arizona. Pilot Charles K. Hamilton landed his Wright biplane named "The Arizona" in Phoenix to the amazement of the city's residents. This marked the beginning of the aviation industry in Arizona, which has since become one of the largest in the United States.

3. On October 1, 1960, the Tucson Symphony Orchestra held its inaugural concert. Since then, the orchestra has become a beloved fixture in the Arizona arts scene, performing numerous concerts and bringing world-class musicians to the state.

4. October 1, 1979 saw the opening of the Springerville Generating Station, a coal-fired power plant that provides electricity to much of eastern Arizona. The plant has been controversial due to its environmental impact, but it remains a vital source of power for the region.

5. Finally, on October 1, 2001, the Phoenix Suns opened their new arena, now known as the Footprint Center. The state-of-the-art facility has hosted numerous concerts, sporting events, and other entertainment over the years, cementing its place as a major cultural hub for Arizona.

In conclusion, October 1 holds a special place in Arizona history for the various events and milestones that have occurred on this day over the years. These fascinating and diverse facts illustrate the state's rich history and ongoing development.