Michael's Arizona Timeline

By Dineky
  • Paleo-Indians arrive in the southwest, including Arizona
    9000 BCE

    Paleo-Indians arrive in the southwest, including Arizona

    Known as the Clovis culture, they were hunter-gatherers
  • Ancestral Puebloans begin to settle on the Four Corners area
    600 BCE

    Ancestral Puebloans begin to settle on the Four Corners area

    Occurred 600 BC - 550 AD
  • The Hopi village Oraibi is established.
    1150

    The Hopi village Oraibi is established.

    It is the oldest continuously inhabited city in the U.S.
  • Jesuit priest Eusebio Kino establishes missions among the Tohono O'odham people along the Santa Cruz River

    Jesuit priest Eusebio Kino establishes missions among the Tohono O'odham people along the Santa Cruz River

  • Arizona becomes part of the United States

    Arizona becomes part of the United States

    With the end of the Mexican–American War, the area which includes today's Arizona becomes part of the United States, as part of the New Mexico Territory
  • Arizona's first "gold rush"

    Arizona's first "gold rush"

    Gold is discovered near the confluence of the Gila and Colorado Rivers, creating Arizona's first "gold rush"
  • Colossal Cave is discovered southeast of Tucson

    Colossal Cave is discovered southeast of Tucson

  • Southern Pacific Railroad begins operating in Tucson

    Southern Pacific Railroad begins operating in Tucson

  • Phoenix became Arizona’s capital

    Phoenix became Arizona’s capital

  • Arizona became the forty-eighth state

    Arizona became the forty-eighth state

  • Arizona adopts its state flag

    Arizona adopts its state flag

  • The Grand Canyon National Park is established

    The Grand Canyon National Park is established

  • Scientist Clyde W. Tombaugh discovered Pluto

    Scientist Clyde W. Tombaugh discovered Pluto

    He was working at the Lowell Observatory in Flagstaff
  • The Hoover Dam was finished

    The Hoover Dam was finished

    It is on the Colorado River between Arizona and Nevada
  • Tucson International Airport begins operating

    Tucson International Airport begins operating

  • Reid Park Zoo founded

    Reid Park Zoo founded

  • Arizona Science Center opens to the public in Phoenix

    Arizona Science Center opens to the public in Phoenix

  • Biosphere 2 built in Tucson

    Biosphere 2 built in Tucson