1. In 1865, the United States Army created an Apache reservation at Camp Grant in what is now southern Arizona. The reservation was established to protect several Apache tribes from raids by other Native American groups and white settlers.
2. On July 27, 1936, the state's first commercial airport opened in Tucson. The airport, now called Tucson International Airport, was initially named Tucson Municipal Airport and had just one runway and a small terminal building.
3. Arizona became a state on February 14, 1912, but it wasn't until July 27 of that year that the state's first governor, George W. P. Hunt, took office. Hunt would go on to serve as governor for a total of seven terms, making him the longest-serving governor in Arizona's history.
4. The famous western outlaw, John Wesley Hardin, was killed on July 27, 1895, in El Paso, Texas. Hardin had spent time in Arizona and was known for his violent past, including murdering at least 20 people.
5. On July 27, 1987, the city of Phoenix hit an all-time high temperature of 122 degrees Fahrenheit. The extreme heat caused power outages and other problems throughout the city, and several people died from heat-related illnesses.