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History of Arizona Timeline
(12,000 BCE – Present)Arizona's history spans thousands of years, beginning with ancient Indigenous cultures such as the Hohokam, Ancestral Puebloans, and Navajo. Spanish explorers arrived in the 16th century, followed by Mexican rule after independence in 1821. The United States acquired most of Arizona through the Mexican Cession of 1848 and the Gadsden Purchase of 1853. After a period as part of the New Mexico Territory, Arizona became its own territory in 1863 and achieved statehood on February 14, 1912, as the 48th state. The state's history is marked by mining booms, conflicts during the Apache Wars, the growth of cities like Phoenix and Tucson, and rapid modern development. More Less
Indigenous and Early History
Hohokam culture flourishes in southern Arizona
300 AD - 1500
The Hohokam people built an extensive irrigation civilization along the Salt and Gila Rivers, digging hundreds of miles of canals near present-day Phoenix. Their culture flourished for over a millennium before declining around 1450.
Image source: Hohokam
Ancestral Puebloans build cliff dwellings in northern Arizona
600 AD - 1300
The Ancestral Puebloans constructed remarkable dwellings in northeastern Arizona, including the multi-story pueblos of Canyon de Chelly and Wupatki. Drought and social change led to their migration by around 1300, with descendants including the Hopi.
Image source: Ancestral Puebloans
Marcos de Niza explores Arizona
1539
Fray Marcos de Niza became the first European known to enter Arizona, traveling north from Mexico in search of the fabled Seven Cities of Cíbola and claiming the region for Spain based on his reports.
Image source: Marcos de Niza
Coronado expedition crosses Arizona
1540 - 1542
Francisco Vázquez de Coronado led a large Spanish expedition through Arizona in search of gold, exploring the Hopi pueblos and the Grand Canyon via a detachment under García López de Cárdenas before returning to Mexico empty-handed.
Image source: Francisco Vázquez de Coronado
Father Kino establishes missions in southern Arizona
1687 - 1711
Jesuit missionary Eusebio Kino founded a chain of missions and visitas among the O'odham people, including Mission San Xavier del Bac in 1700, introducing European agriculture and livestock to the region.
Image source: Eusebio Kino
O'odham and Apache resistance shapes colonial Arizona
1695 - 1821
Throughout the Spanish and Mexican periods, repeated uprisings by the O'odham and persistent Apache raids limited European settlement in Arizona, keeping most of the region a sparsely populated frontier.
Image source: Apache Wars
Mexico gains independence from Spain
Sep 27, 1821
Mexico's independence transferred control of Arizona from Spain to the new Mexican nation, though the remote northern frontier remained thinly settled and vulnerable to Apache raids.
Image source: Mexican War of Independence
Territorial Period
Mountain men trap beaver on Arizona rivers
1826 - 1846
American trappers such as Sylvester Pattie, James Ohio Pattie, and Bill Williams explored and trapped along Arizona rivers, producing early accounts of the region and opening routes used by later emigrants.
Image source: Fur trade
Mormon Battalion marches through southern Arizona
1846 - 1847
During the Mexican–American War, the Mormon Battalion blazed a wagon route across southern Arizona en route to California, completing one of the longest infantry marches in U.S. history and improving access to the territory.
Image source: Mormon Battalion
Treaty of Guadalupe Hidalgo cedes most of Arizona to the United States
Feb 2, 1848
The treaty ending the Mexican–American War ceded most of what is now Arizona north of the Gila River to the United States, making it part of the New Mexico Territory.
Image source: Treaty of Guadalupe Hidalgo
Key Facts
- Ancient Native American cultures, including the Hohokam and Ancestral Puebloans, inhabited Arizona for thousands of years before European contact, leaving behind sites like Montezuma Castle and Casa Grande.
- Spanish explorer Francisco Vázquez de Coronado led an expedition through present-day Arizona in 1540 while searching for the mythical Seven Cities of Gold.
- The United States gained most of Arizona through the Treaty of Guadalupe Hidalgo (1848) and completed the acquisition with the Gadsden Purchase in 1853.
- Arizona became the last of the contiguous states to join the Union, achieving statehood on February 14, 1912, as the 48th state.
- Copper mining became central to Arizona's economy in the late 19th century, earning it the nickname 'the Copper State,' a status it still holds today as a leading copper producer.
Source
This History of Arizona timeline was generated with the help of AI, using information found on the internet.
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