Chronology of Tucson's History:
​
2000 BC to AD 450 Early Farmers
AD 450 to 1450 Hohokam Millennium
1450 to present O'odham and other native peoples
1776 Presidio San Agustin del Tucson Built
1854 Gadsden Purchase makes Tucson part of the United States
1912 Arizona statehood

​Places to Visit in Southern Arizona: 

​Signal Hill, Rock Art area in Saguaro National Park

Romero Ruin Hike - Catalina State Park

Mission Gardens - A living agricultural museum

Presidio San Agustin del Tucson Museum

Casa Grande National Monument

Tucson Audubon's Paton Center for Hummingbirds