Here are five interesting facts about May 14 in Arizona history:

1. On May 14, 1868, the first railroad in Arizona Territory was completed between Tucson and Maricopa. This connected Arizona to the Transcontinental Railroad and helped establish trade routes for the state's growing industries.

2. May 14, 1912, marked Arizona's admission as the 48th state in the United States. This was a significant milestone in Arizona's history and celebrated annually as Statehood Day.

3. On May 14, 1934, the FBI killed notorious bank robber Charles Arthur "Pretty Boy" Floyd near a cattle ranch in East Liverpool, Ohio. Floyd was known for several high-profile robberies, including robbing an Arizona bank in 1930.

4. May 14, 1948, saw the opening of the Gila River Japanese Internment Camp in Arizona. During World War II, Japanese Americans were forcibly removed from their homes and placed in internment camps, including several in Arizona.

5. On May 14, 2019, Arizona Governor Doug Ducey signed a bill legalizing sports betting in the state. This made Arizona one of many states to move towards legalizing sports betting, adding to the state's growing tourism and entertainment industries.