1. Arizona became a state on January 24, 1912, making it the 48th state in the United States. It was originally part of New Mexico Territory but became a separate territory in 1863.

2. On January 24, 1963, a US Air Force B-52 bomber crashed near Goldsboro, North Carolina, while carrying two nuclear bombs. The bombs did not detonate, preventing a potential disaster for Arizona, as one of the bombs was bound for a Titan missile site in the state.

3. January 24 marks the anniversary of the establishment of the Grand Canyon National Park. President Theodore Roosevelt signed the bill creating the park on this day in 1908, ensuring that the stunning natural wonder would be protected for future generations.

4. In 1848, on January 24, gold was discovered at Sutter's Mill in California, marking the beginning of the California Gold Rush. The rush brought many settlers to Arizona, who passed through the state on their way to California.

5. On January 24, 1949, a groundbreaking ceremony took place in Phoenix for St. Joseph's Hospital and Medical Center, which would become one of the top medical facilities in the state. Today, the hospital is known for its innovative healthcare practices and high-quality services.