The following is a timeline of the history of the area which today comprises the U.S. state of Arizona. Situated in the desert southwest, for millennia the area was home to a series of Pre-Columbian peoples. By 1 AD, the dominant groups in the area were the Hohokam, the Mogollon, and the Ancestral Puebloans. The Hohokam dominated the center of the area which is now Arizona, the Mogollon the southeast, and the Puebloans the north and northeast. As these cultures disappeared between 1000 and 1400 AD, other Indian groups settled in Arizona. These tribes included the Navajo, Apache, Southern Paiute, Hopi, Yavapai, Akimel O'odham, and the Tohono O'odham.
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