1. On September 14, 1865, the Arizona Territory was officially organized, separating from the New Mexico Territory. This paved the way for Arizona to become a state in 1912.

2. On September 14, 1944, the United States Army Air Forces' B-24 bomber "Lady Be Good" crashed in the Libyan desert during World War II. The wreckage was later discovered in 1959 by a British oil exploration team, along with evidence of the crew's desperate attempts to survive.

3. On September 14, 1984, Kris Eggle, a ranger at Organ Pipe Cactus National Monument, was killed in the line of duty by drug smugglers. His death prompted changes in law enforcement tactics and resources along the US-Mexico border.

4. On September 14, 2008, the Grand Canyon Skywalk, a glass bridge over the Grand Canyon on the Hualapai Indian Reservation, opened to the public. The Skywalk provides a unique and thrilling way for visitors to experience the natural wonder.

5. On September 14, 2017, a massive storm system hit the Phoenix area, resulting in extensive flooding and damage. The storm was one of the worst in the city's history, with some areas seeing over four inches of rain in just a few hours.