1. In 1775, Spanish colonizers founded the San Francisco de Ona mission in what is now Tubac, Arizona. The mission was established to convert the local Pima Indian population to Christianity and also served as a trading post.

2. On October 13, 1886, Apache leader Geronimo surrendered to U.S. Army forces in Skeleton Canyon, Arizona, ending years of conflict with the government. Geronimo and his followers had been elusive to capture, using their knowledge of the terrain to evade pursuit.

3. In 1910, Arizona's first automobile race was held in Phoenix on October 13. The event was organized by the Arizona Automobile Association and involved a 23-mile course with six laps.

4. On October 13, 1920, Arizona Governor Thomas Campbell signed legislation creating the Arizona State Parks system. The state's first park, Boyce Thompson Arboretum, was established in 1924.

5. The USS Arizona Memorial was dedicated on October 13, 1962. The memorial honors the 1,177 sailors and Marines who lost their lives in the attack on Pearl Harbor, including 1,102 who remain entombed on the sunken battleship. The memorial is located in Pearl Harbor, Hawaii, but many Arizonans have connections to the tragedy, including several survivors and family members of those who perished.