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Robinson Library >> American
History >> United States:
Local History and Description
New Southwest >> Arizona
|Important Dates in Arizona
1539 Marcos de Niza, a
Franciscan priest, entered what is now Arizona.
1692 Eusebio Kino, a Jesuit priest, began missionary work in the Santa Cruz and San Pedro valleys.
1776 Tucson was founded as a fort.
1821 Arizona became part of Mexico.
1848 Following the Mexican War, Mexico
ceded to the United States an area including most of what
is now Arizona.
1912 Arizona became
the 48th state on February 14.
1963 The Supreme Court
of the United States gave Arizona rights to large amounts
of Colorado River water.
This page was last updated on January 20, 2017.