1870: After traveling for more than two weeks from San Diego, the seven Catholic sisters of Carondelet are welcomed to Tucson by fireworks and 3,000 people. The sisters would open a girls academy, a school at Mission San Xavier del Bac and an orphanage. In 1880, the opened Arizona's first hospital — St. Mary's — with 12 beds.

1881: The first telephone office is established in Tucson.

1894: The city of Flagstaff is incorporated.

1909: The Pima County Court dismisses a 22-year-old murder indictment against Geronimo.

1910: The Pima County Board of Supervisors rules they would not license saloons in mining camps that has no police force.

1991: University of Arizona softball team defeats three-time defending national champion UCLA to win its first of eight NCAA titles. It's also the first women's team national championship for UA in any sport.

Want to share an important event from Tucson's history? Email it to krumore@azstarnet.com.